diff --git a/gopls/internal/regtest/expectation.go b/gopls/internal/regtest/expectation.go
index 037faa4..e520099 100644
--- a/gopls/internal/regtest/expectation.go
+++ b/gopls/internal/regtest/expectation.go
@@ -442,7 +442,7 @@
 	found := false
 	for _, d := range diags.Diagnostics {
 		if e.pos != nil {
-			if d.Range.Start.Line != float64(e.pos.Line) || d.Range.Start.Character != float64(e.pos.Column) {
+			if d.Range.Start.Line != uint32(e.pos.Line) || d.Range.Start.Character != uint32(e.pos.Column) {
 				continue
 			}
 		}
@@ -519,7 +519,7 @@
 	version := e.Editor.BufferVersion(name)
 	check := func(s State) Verdict {
 		diags, ok := s.diagnostics[name]
-		if ok && diags.Version == float64(version) {
+		if ok && diags.Version == int32(version) {
 			return Met
 		}
 		return Unmet
diff --git a/gopls/internal/regtest/modfile/modfile_test.go b/gopls/internal/regtest/modfile/modfile_test.go
index 86154db..6982bde 100644
--- a/gopls/internal/regtest/modfile/modfile_test.go
+++ b/gopls/internal/regtest/modfile/modfile_test.go
@@ -985,7 +985,7 @@
 `
 			var diagnostics []protocol.Diagnostic
 			for _, d := range d.Diagnostics {
-				if d.Range.Start.Line != float64(pos.Line) {
+				if d.Range.Start.Line != uint32(pos.Line) {
 					continue
 				}
 				diagnostics = append(diagnostics, d)
@@ -1038,7 +1038,7 @@
 		)
 		var diagnostic protocol.Diagnostic
 		for _, d := range params.Diagnostics {
-			if d.Range.Start.Line == float64(pos.Line) {
+			if d.Range.Start.Line == uint32(pos.Line) {
 				diagnostic = d
 				break
 			}
diff --git a/gopls/test/debug/debug_test.go b/gopls/test/debug/debug_test.go
index 1b51073..4d680ee 100644
--- a/gopls/test/debug/debug_test.go
+++ b/gopls/test/debug/debug_test.go
@@ -50,7 +50,7 @@
 // construct a source.Overlay for fileTmpl
 type fakeOverlay struct{}
 
-func (fakeOverlay) Version() float64 {
+func (fakeOverlay) Version() int32 {
 	return 0
 }
 func (fakeOverlay) Session() string {
diff --git a/internal/lsp/cache/session.go b/internal/lsp/cache/session.go
index 1102808..273573a 100644
--- a/internal/lsp/cache/session.go
+++ b/internal/lsp/cache/session.go
@@ -44,7 +44,7 @@
 	uri     span.URI
 	text    []byte
 	hash    string
-	version float64
+	version int32
 	kind    source.FileKind
 
 	// saved is true if a file matches the state on disk,
@@ -80,7 +80,7 @@
 	return o.uri
 }
 
-func (o *overlay) Version() float64 {
+func (o *overlay) Version() int32 {
 	return o.version
 }
 
@@ -113,7 +113,7 @@
 	return ""
 }
 
-func (c *closedFile) Version() float64 {
+func (c *closedFile) Version() int32 {
 	return 0
 }
 
@@ -622,7 +622,7 @@
 		}
 		// On-disk changes don't come with versions.
 		version := c.Version
-		if c.OnDisk {
+		if c.OnDisk || c.Action == source.Save {
 			version = o.version
 		}
 		hash := hashContents(text)
@@ -632,7 +632,7 @@
 			// Do nothing. sameContentOnDisk should be false.
 		case source.Save:
 			// Make sure the version and content (if present) is the same.
-			if o.version != version {
+			if false && o.version != version { // Client no longer sends the version
 				return nil, errors.Errorf("updateOverlays: saving %s at version %v, currently at %v", c.URI, c.Version, o.version)
 			}
 			if c.Text != nil && o.hash != hash {
diff --git a/internal/lsp/cmd/capabilities_test.go b/internal/lsp/cmd/capabilities_test.go
index ea0bfed..acd5450 100644
--- a/internal/lsp/cmd/capabilities_test.go
+++ b/internal/lsp/cmd/capabilities_test.go
@@ -106,11 +106,8 @@
 	}
 
 	if err := c.Server.DidSave(ctx, &protocol.DidSaveTextDocumentParams{
-		TextDocument: protocol.VersionedTextDocumentIdentifier{
-			Version: 2,
-			TextDocumentIdentifier: protocol.TextDocumentIdentifier{
-				URI: uri,
-			},
+		TextDocument: protocol.TextDocumentIdentifier{
+			URI: uri,
 		},
 		// LSP specifies that a file can be saved with optional text, so this field must be nil.
 		Text: nil,
diff --git a/internal/lsp/cmd/semantictokens.go b/internal/lsp/cmd/semantictokens.go
index cf7d431..41e353c 100644
--- a/internal/lsp/cmd/semantictokens.go
+++ b/internal/lsp/cmd/semantictokens.go
@@ -162,7 +162,7 @@
 	lines[m.line-1] = l
 }
 
-func decorate(file string, result []float64) error {
+func decorate(file string, result []uint32) error {
 	buf, err := ioutil.ReadFile(file)
 	if err != nil {
 		return err
@@ -180,14 +180,14 @@
 	return nil
 }
 
-func newMarks(d []float64) []mark {
+func newMarks(d []uint32) []mark {
 	ans := []mark{}
 	// the following two loops could be merged, at the cost
 	// of making the logic slightly more complicated to understand
 	// first, convert from deltas to absolute, in LSP coordinates
-	lspLine := make([]float64, len(d)/5)
-	lspChar := make([]float64, len(d)/5)
-	line, char := 0.0, 0.0
+	lspLine := make([]uint32, len(d)/5)
+	lspChar := make([]uint32, len(d)/5)
+	var line, char uint32
 	for i := 0; 5*i < len(d); i++ {
 		lspLine[i] = line + d[5*i+0]
 		if d[5*i+0] > 0 {
diff --git a/internal/lsp/code_action.go b/internal/lsp/code_action.go
index e5d229b..1f4a1a1 100644
--- a/internal/lsp/code_action.go
+++ b/internal/lsp/code_action.go
@@ -493,7 +493,7 @@
 func documentChanges(fh source.VersionedFileHandle, edits []protocol.TextEdit) []protocol.TextDocumentEdit {
 	return []protocol.TextDocumentEdit{
 		{
-			TextDocument: protocol.VersionedTextDocumentIdentifier{
+			TextDocument: protocol.OptionalVersionedTextDocumentIdentifier{
 				Version: fh.Version(),
 				TextDocumentIdentifier: protocol.TextDocumentIdentifier{
 					URI: protocol.URIFromSpanURI(fh.URI()),
@@ -549,7 +549,7 @@
 					continue
 				}
 				action.Edit.DocumentChanges = append(action.Edit.DocumentChanges, protocol.TextDocumentEdit{
-					TextDocument: protocol.VersionedTextDocumentIdentifier{
+					TextDocument: protocol.OptionalVersionedTextDocumentIdentifier{
 						Version: modFH.Version(),
 						TextDocumentIdentifier: protocol.TextDocumentIdentifier{
 							URI: protocol.URIFromSpanURI(modFH.URI()),
diff --git a/internal/lsp/command.go b/internal/lsp/command.go
index a3bc21d..997a20d 100644
--- a/internal/lsp/command.go
+++ b/internal/lsp/command.go
@@ -283,7 +283,7 @@
 		response, err := s.client.ApplyEdit(ctx, &protocol.ApplyWorkspaceEditParams{
 			Edit: protocol.WorkspaceEdit{
 				DocumentChanges: []protocol.TextDocumentEdit{{
-					TextDocument: protocol.VersionedTextDocumentIdentifier{
+					TextDocument: protocol.OptionalVersionedTextDocumentIdentifier{
 						Version: fh.Version(),
 						TextDocumentIdentifier: protocol.TextDocumentIdentifier{
 							URI: protocol.URIFromSpanURI(fh.URI()),
diff --git a/internal/lsp/completion_test.go b/internal/lsp/completion_test.go
index 53d136f..22a377e 100644
--- a/internal/lsp/completion_test.go
+++ b/internal/lsp/completion_test.go
@@ -142,8 +142,8 @@
 				URI: protocol.URIFromSpanURI(src.URI()),
 			},
 			Position: protocol.Position{
-				Line:      float64(src.Start().Line() - 1),
-				Character: float64(src.Start().Column() - 1),
+				Line:      uint32(src.Start().Line() - 1),
+				Character: uint32(src.Start().Column() - 1),
 			},
 		},
 	})
diff --git a/internal/lsp/diagnostics.go b/internal/lsp/diagnostics.go
index ceee5f0..6f838f0 100644
--- a/internal/lsp/diagnostics.go
+++ b/internal/lsp/diagnostics.go
@@ -477,7 +477,7 @@
 			r.snapshotID = snapshot.ID()
 			continue
 		}
-		version := float64(0)
+		var version int32
 		if fh := snapshot.FindFile(uri); fh != nil { // file may have been deleted
 			version = fh.Version()
 		}
diff --git a/internal/lsp/fake/edit.go b/internal/lsp/fake/edit.go
index e5be4f6..c3f07e2 100644
--- a/internal/lsp/fake/edit.go
+++ b/internal/lsp/fake/edit.go
@@ -27,8 +27,8 @@
 
 func (p Pos) ToProtocolPosition() protocol.Position {
 	return protocol.Position{
-		Line:      float64(p.Line),
-		Character: float64(p.Column),
+		Line:      uint32(p.Line),
+		Character: uint32(p.Column),
 	}
 }
 
diff --git a/internal/lsp/fake/editor.go b/internal/lsp/fake/editor.go
index 3df5b24..9bd2028 100644
--- a/internal/lsp/fake/editor.go
+++ b/internal/lsp/fake/editor.go
@@ -266,7 +266,7 @@
 	// TODO: set client capabilities
 	params.InitializationOptions = e.configuration()
 	if e.Config.SendPID {
-		params.ProcessID = float64(os.Getpid())
+		params.ProcessID = int32(os.Getpid())
 	}
 
 	// This is a bit of a hack, since the fake editor doesn't actually support
@@ -357,7 +357,7 @@
 	return protocol.TextDocumentItem{
 		URI:        uri,
 		LanguageID: languageID,
-		Version:    float64(buf.version),
+		Version:    int32(buf.version),
 		Text:       buf.text(),
 	}
 }
@@ -467,10 +467,7 @@
 
 	if e.Server != nil {
 		params := &protocol.DidSaveTextDocumentParams{
-			TextDocument: protocol.VersionedTextDocumentIdentifier{
-				Version:                float64(buf.version),
-				TextDocumentIdentifier: docID,
-			},
+			TextDocument: docID,
 		}
 		if includeText {
 			params.Text = &content
@@ -667,7 +664,7 @@
 	}
 	params := &protocol.DidChangeTextDocumentParams{
 		TextDocument: protocol.VersionedTextDocumentIdentifier{
-			Version:                float64(buf.version),
+			Version:                int32(buf.version),
 			TextDocumentIdentifier: e.textDocumentIdentifier(buf.path),
 		},
 		ContentChanges: evts,
@@ -790,7 +787,7 @@
 		}
 		for _, change := range action.Edit.DocumentChanges {
 			path := e.sandbox.Workdir.URIToPath(change.TextDocument.URI)
-			if float64(e.buffers[path].version) != change.TextDocument.Version {
+			if int32(e.buffers[path].version) != change.TextDocument.Version {
 				// Skip edits for old versions.
 				continue
 			}
diff --git a/internal/lsp/general.go b/internal/lsp/general.go
index 28c3309..beec225 100644
--- a/internal/lsp/general.go
+++ b/internal/lsp/general.go
@@ -90,40 +90,42 @@
 
 	return &protocol.InitializeResult{
 		Capabilities: protocol.ServerCapabilities{
-			CallHierarchyProvider: true,
-			CodeActionProvider:    codeActionProvider,
-			CompletionProvider: protocol.CompletionOptions{
-				TriggerCharacters: []string{"."},
-			},
-			DefinitionProvider:         true,
-			TypeDefinitionProvider:     true,
-			ImplementationProvider:     true,
-			DocumentFormattingProvider: true,
-			DocumentSymbolProvider:     true,
-			WorkspaceSymbolProvider:    true,
-			ExecuteCommandProvider: protocol.ExecuteCommandOptions{
-				Commands: options.SupportedCommands,
-			},
-			FoldingRangeProvider:      true,
-			HoverProvider:             true,
-			DocumentHighlightProvider: true,
-			DocumentLinkProvider:      protocol.DocumentLinkOptions{},
-			ReferencesProvider:        true,
-			RenameProvider:            renameOpts,
-			SignatureHelpProvider: protocol.SignatureHelpOptions{
-				TriggerCharacters: []string{"(", ","},
-			},
-			TextDocumentSync: &protocol.TextDocumentSyncOptions{
-				Change:    protocol.Incremental,
-				OpenClose: true,
-				Save: protocol.SaveOptions{
-					IncludeText: false,
+			InnerServerCapabilities: protocol.InnerServerCapabilities{
+				CallHierarchyProvider: true,
+				CodeActionProvider:    codeActionProvider,
+				CompletionProvider: protocol.CompletionOptions{
+					TriggerCharacters: []string{"."},
 				},
-			},
-			Workspace: protocol.WorkspaceGn{
-				WorkspaceFolders: protocol.WorkspaceFoldersGn{
-					Supported:           true,
-					ChangeNotifications: "workspace/didChangeWorkspaceFolders",
+				DefinitionProvider:         true,
+				TypeDefinitionProvider:     true,
+				ImplementationProvider:     true,
+				DocumentFormattingProvider: true,
+				DocumentSymbolProvider:     true,
+				WorkspaceSymbolProvider:    true,
+				ExecuteCommandProvider: protocol.ExecuteCommandOptions{
+					Commands: options.SupportedCommands,
+				},
+				FoldingRangeProvider:      true,
+				HoverProvider:             true,
+				DocumentHighlightProvider: true,
+				DocumentLinkProvider:      protocol.DocumentLinkOptions{},
+				ReferencesProvider:        true,
+				RenameProvider:            renameOpts,
+				SignatureHelpProvider: protocol.SignatureHelpOptions{
+					TriggerCharacters: []string{"(", ","},
+				},
+				TextDocumentSync: &protocol.TextDocumentSyncOptions{
+					Change:    protocol.Incremental,
+					OpenClose: true,
+					Save: protocol.SaveOptions{
+						IncludeText: false,
+					},
+				},
+				Workspace: protocol.WorkspaceGn{
+					WorkspaceFolders: protocol.WorkspaceFoldersGn{
+						Supported:           true,
+						ChangeNotifications: "workspace/didChangeWorkspaceFolders",
+					},
 				},
 			},
 		},
@@ -341,7 +343,7 @@
 	for pattern := range patterns {
 		watchers = append(watchers, protocol.FileSystemWatcher{
 			GlobPattern: pattern,
-			Kind:        float64(protocol.WatchChange + protocol.WatchDelete + protocol.WatchCreate),
+			Kind:        uint32(protocol.WatchChange + protocol.WatchDelete + protocol.WatchCreate),
 		})
 	}
 
diff --git a/internal/lsp/progress.go b/internal/lsp/progress.go
index a8894f8..719e9c3 100644
--- a/internal/lsp/progress.go
+++ b/internal/lsp/progress.go
@@ -187,7 +187,7 @@
 			// yet use this feature, the value is kept constant here.
 			Cancellable: wd.cancel != nil,
 			Message:     message,
-			Percentage:  percentage,
+			Percentage:  uint32(percentage),
 		},
 	})
 	if err != nil {
diff --git a/internal/lsp/protocol/span.go b/internal/lsp/protocol/span.go
index 51f6137..d6da886 100644
--- a/internal/lsp/protocol/span.go
+++ b/internal/lsp/protocol/span.go
@@ -64,8 +64,8 @@
 		return Position{}, err
 	}
 	return Position{
-		Line:      float64(p.Line() - 1),
-		Character: float64(chr - 1),
+		Line:      uint32(p.Line() - 1),
+		Character: uint32(chr - 1),
 	}, nil
 }
 
diff --git a/internal/lsp/protocol/tsclient.go b/internal/lsp/protocol/tsclient.go
index 0670e11..2746580 100644
--- a/internal/lsp/protocol/tsclient.go
+++ b/internal/lsp/protocol/tsclient.go
@@ -1,9 +1,13 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package protocol
 
 // Package protocol contains data types and code for LSP jsonrpcs
 // generated automatically from vscode-languageserver-node
-// commit: 901fd40345060d159f07d234bbc967966a929a34
-// last fetched Mon Oct 26 2020 09:10:42 GMT-0400 (Eastern Daylight Time)
+// commit: dae62de921d25964e8732411ca09e532dde992f5
+// last fetched Sat Jan 23 2021 16:14:55 GMT-0500 (Eastern Standard Time)
 
 // Code generated (see typescript/README.md) DO NOT EDIT.
 
diff --git a/internal/lsp/protocol/tsprotocol.go b/internal/lsp/protocol/tsprotocol.go
index 340fae6..3650d2f 100644
--- a/internal/lsp/protocol/tsprotocol.go
+++ b/internal/lsp/protocol/tsprotocol.go
@@ -1,7 +1,11 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 // Package protocol contains data types and code for LSP jsonrpcs
 // generated automatically from vscode-languageserver-node
-// commit: 901fd40345060d159f07d234bbc967966a929a34
-// last fetched Mon Oct 26 2020 09:10:42 GMT-0400 (Eastern Daylight Time)
+// commit: dae62de921d25964e8732411ca09e532dde992f5
+// last fetched Sat Jan 23 2021 16:14:55 GMT-0500 (Eastern Standard Time)
 package protocol
 
 // Code generated (see typescript/README.md) DO NOT EDIT.
@@ -9,6 +13,19 @@
 import "encoding/json"
 
 /**
+ * A special text edit with an additional change annotation.
+ *
+ * @since 3.16.0.
+ */
+type AnnotatedTextEdit struct {
+	/**
+	 * The actual identifier of the change annotation
+	 */
+	AnnotationID ChangeAnnotationIdentifier `json:"annotationId"`
+	TextEdit
+}
+
+/**
  * The parameters passed via a apply workspace edit request.
  */
 type ApplyWorkspaceEditParams struct {
@@ -43,7 +60,7 @@
 	 * contain the index of the change that failed. This property is only available
 	 * if the client signals a `failureHandlingStrategy` in its client capabilities.
 	 */
-	FailedChange float64 `json:"failedChange,omitempty"`
+	FailedChange uint32 `json:"failedChange,omitempty"`
 }
 
 /**
@@ -195,6 +212,34 @@
 	ID interface{} /*number | string*/ `json:"id"`
 }
 
+/**
+ * Additional information that describes document changes.
+ *
+ * @since 3.16.0
+ */
+type ChangeAnnotation struct {
+	/**
+	           * A human-readable string describing the actual change. The string
+	  		 * is rendered prominent in the user interface.
+	*/
+	Label string `json:"label"`
+	/**
+	           * A flag which indicates that user confirmation is needed
+	  		 * before applying the change.
+	*/
+	NeedsConfirmation bool `json:"needsConfirmation,omitempty"`
+	/**
+	           * A human-readable string which is rendered less prominent in
+	  		 * the user interface.
+	*/
+	Description string `json:"description,omitempty"`
+}
+
+/**
+ * An identifier to refer to a change annotation stored with a workspace edit.
+ */
+type ChangeAnnotationIdentifier = string
+
 type ClientCapabilities = struct {
 	Workspace struct {
 		/**
@@ -222,7 +267,7 @@
 		/**
 		 * Window specific client capabilities.
 		 */
-		Window interface{} `json:"window,omitempty"`
+		WindowClientCapabilities
 		/**
 		 * Whether client supports server initiated progress using the
 		 * `window/workDoneProgress/create` request.
@@ -232,6 +277,12 @@
 		WorkDoneProgress bool `json:"workDoneProgress,omitempty"`
 	}
 	/**
+	 * General client capabilities.
+	 *
+	 * @since 3.16.0
+	 */
+	General GeneralClientCapabilities `json:"general,omitempty"`
+	/**
 	 * Experimental client capabilities.
 	 */
 	Experimental interface{} `json:"experimental,omitempty"`
@@ -307,7 +358,7 @@
 	 * A data entry field that is preserved on a code action between
 	 * a `textDocument/codeAction` and a `codeAction/resolve` request.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	Data interface{} `json:"data,omitempty"`
 }
@@ -351,7 +402,7 @@
 	/**
 	 * Whether code action supports the `disabled` property.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	DisabledSupport bool `json:"disabledSupport,omitempty"`
 	/**
@@ -359,14 +410,14 @@
 	 * preserved between a `textDocument/codeAction` and a
 	 * `codeAction/resolve` request.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	DataSupport bool `json:"dataSupport,omitempty"`
 	/**
 	 * Whether the client support resolving additional code action
 	 * properties via a separate `codeAction/resolve` request.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	ResolveSupport struct {
 		/**
@@ -374,6 +425,16 @@
 		 */
 		Properties []string `json:"properties"`
 	} `json:"resolveSupport,omitempty"`
+	/**
+	 * Whether th client honors the change annotations in
+	 * text edits and resource operations returned via the
+	 * `CodeAction#edit` property by for example presenting
+	 * the workspace edit in the user interface and asking
+	 * for confirmation.
+	 *
+	 * @since 3.16.0
+	 */
+	HonorsChangeAnnotations bool `json:"honorsChangeAnnotations,omitempty"`
 }
 
 /**
@@ -383,7 +444,7 @@
 type CodeActionContext struct {
 	/**
 	 * An array of diagnostics known on the client side overlapping the range provided to the
-	 * `textDocument/codeAction` request. They are provied so that the server knows which
+	 * `textDocument/codeAction` request. They are provided so that the server knows which
 	 * errors are currently presented to the user for the given range. There is no guarantee
 	 * that these accurately reflect the error state of the resource. The primary parameter
 	 * to compute code actions is the provided range.
@@ -447,7 +508,7 @@
 /**
  * Structure to capture a description for an error code.
  *
- * @since 3.16.0 - proposed state
+ * @since 3.16.0
  */
 type CodeDescription struct {
 	/**
@@ -514,25 +575,41 @@
 }
 
 /**
+ * @since 3.16.0
+ */
+type CodeLensWorkspaceClientCapabilities struct {
+	/**
+	 * Whether the client implementation supports a refresh request sent from the
+	 * server to the client.
+	 *
+	 * Note that this event is global and will force the client to refresh all
+	 * code lenses currently shown. It should be used with absolute care and is
+	 * useful for situation where a server for example detect a project wide
+	 * change that requires such a calculation.
+	 */
+	RefreshSupport bool `json:"refreshSupport,omitempty"`
+}
+
+/**
  * Represents a color in RGBA space.
  */
 type Color struct {
 	/**
 	 * The red component of this color in the range [0-1].
 	 */
-	Red float64 `json:"red"`
+	Red Decimal `json:"red"`
 	/**
 	 * The green component of this color in the range [0-1].
 	 */
-	Green float64 `json:"green"`
+	Green Decimal `json:"green"`
 	/**
 	 * The blue component of this color in the range [0-1].
 	 */
-	Blue float64 `json:"blue"`
+	Blue Decimal `json:"blue"`
 	/**
 	 * The alpha component of this color in the range [0-1].
 	 */
-	Alpha float64 `json:"alpha"`
+	Alpha Decimal `json:"alpha"`
 }
 
 /**
@@ -540,7 +617,7 @@
  */
 type ColorInformation struct {
 	/**
-	 * The range in the document where this color appers.
+	 * The range in the document where this color appears.
 	 */
 	Range Range `json:"range"`
 	/**
@@ -651,6 +728,10 @@
 		 */
 		PreselectSupport bool `json:"preselectSupport,omitempty"`
 		/**
+		 * Client supports to kee
+		 */
+
+		/**
 		 * Client supports the tag property on a completion item. Clients supporting
 		 * tags have to handle unknown tags gracefully. Clients especially need to
 		 * preserve unknown tags when sending a completion item back to the server in
@@ -668,7 +749,7 @@
 		 * Client support insert replace edit to control different behavior if a
 		 * completion item is inserted in the text or should replace text.
 		 *
-		 * @since 3.16.0 - proposed state
+		 * @since 3.16.0
 		 */
 		InsertReplaceSupport bool `json:"insertReplaceSupport,omitempty"`
 		/**
@@ -676,7 +757,7 @@
 		 * item. Before version 3.16.0 only the predefined properties `documentation`
 		 * and `details` could be resolved lazily.
 		 *
-		 * @since 3.16.0 - proposed state
+		 * @since 3.16.0
 		 */
 		ResolveSupport struct {
 			/**
@@ -684,6 +765,16 @@
 			 */
 			Properties []string `json:"properties"`
 		} `json:"resolveSupport,omitempty"`
+		/**
+		 * The client supports the `insertTextMode` property on
+		 * a completion item to override the whitespace handling mode
+		 * as defined by the client (see `insertTextMode`).
+		 *
+		 * @since 3.16.0
+		 */
+		InsertTextModeSupport struct {
+			ValueSet []InsertTextMode `json:"valueSet"`
+		} `json:"insertTextModeSupport,omitempty"`
 	} `json:"completionItem,omitempty"`
 	CompletionItemKind struct {
 		/**
@@ -699,8 +790,16 @@
 		ValueSet []CompletionItemKind `json:"valueSet,omitempty"`
 	} `json:"completionItemKind,omitempty"`
 	/**
+	 * Defines how the client handles whitespace and indentation
+	 * when accepting a completion item that uses multi line
+	 * text in either `insertText` or `textEdit`.
+	 *
+	 * @since 3.16.0
+	 */
+	InsertTextMode InsertTextMode `json:"insertTextMode,omitempty"`
+	/**
 	 * The client supports to send additional context information for a
-	 * `textDocument/completion` requestion.
+	 * `textDocument/completion` request.
 	 */
 	ContextSupport bool `json:"contextSupport,omitempty"`
 }
@@ -791,18 +890,26 @@
 	InsertText string `json:"insertText,omitempty"`
 	/**
 	 * The format of the insert text. The format applies to both the `insertText` property
-	 * and the `newText` property of a provided `textEdit`. If ommitted defaults to
+	 * and the `newText` property of a provided `textEdit`. If omitted defaults to
 	 * `InsertTextFormat.PlainText`.
 	 */
 	InsertTextFormat InsertTextFormat `json:"insertTextFormat,omitempty"`
 	/**
+	 * How whitespace and indentation is handled during completion
+	 * item insertion. If ignored the clients default value depends on
+	 * the `textDocument.completion.insertTextMode` client capability.
+	 *
+	 * @since 3.16.0
+	 */
+	InsertTextMode InsertTextMode `json:"insertTextMode,omitempty"`
+	/**
 	 * An [edit](#TextEdit) which is applied to a document when selecting
 	 * this completion. When an edit is provided the value of
 	 * [insertText](#CompletionItem.insertText) is ignored.
 	 *
 	 * Most editors support two different operation when accepting a completion item. One is to insert a
-	 * completion text and the other is to replace an existing text with a competion text. Since this can
-	 * usually not predetermend by a server it can report both ranges. Clients need to signal support for
+	 * completion text and the other is to replace an existing text with a completion text. Since this can
+	 * usually not predetermined by a server it can report both ranges. Clients need to signal support for
 	 * `InsertReplaceEdits` via the `textDocument.completion.insertReplaceSupport` client capability
 	 * property.
 	 *
@@ -811,7 +918,7 @@
 	 * *Note 2:* If an `InsertReplaceEdit` is returned the edit's insert range must be a prefix of
 	 * the edit's replace range, that means it must be contained and starting at the same position.
 	 *
-	 * @since 3.16.0 additional type `InsertReplaceEdit` - proposed state
+	 * @since 3.16.0 additional type `InsertReplaceEdit`
 	 */
 	TextEdit *TextEdit/*TextEdit | InsertReplaceEdit*/ `json:"textEdit,omitempty"`
 	/**
@@ -889,7 +996,7 @@
 	TriggerCharacters []string `json:"triggerCharacters,omitempty"`
 	/**
 	 * The list of all possible characters that commit a completion. This field can be used
-	 * if clients don't support individual commmit characters per completion item. See
+	 * if clients don't support individual commit characters per completion item. See
 	 * `ClientCapabilities.textDocument.completion.completionItem.commitCharactersSupport`
 	 *
 	 * If a server provides both `allCommitCharacters` and commit characters on an individual
@@ -984,6 +1091,27 @@
 }
 
 /**
+ * The parameters sent in file create requests/notifications.
+ *
+ * @since 3.16.0
+ */
+type CreateFilesParams struct {
+	/**
+	 * An array of all files/folders created in this operation.
+	 */
+	Files []FileCreate `json:"files"`
+}
+
+/**
+ * Defines a decimal number. Since decimal numbers are very
+ * rare in the language server specification we denote the
+ * exact range with every decimal using the mathematics
+ * interval notations (e.g. [0, 1] denotes all decimals d with
+ * 0 <= d <= 1.
+ */
+type Decimal = float64
+
+/**
  * The declaration of a symbol representation as one or many [locations](#Location).
  */
 type Declaration = []Location /*Location | Location[]*/
@@ -1115,6 +1243,18 @@
 }
 
 /**
+ * The parameters sent in file delete requests/notifications.
+ *
+ * @since 3.16.0
+ */
+type DeleteFilesParams struct {
+	/**
+	 * An array of all files/folders deleted in this operation.
+	 */
+	Files []FileDelete `json:"files"`
+}
+
+/**
  * Represents a diagnostic, such as a compiler error or warning. Diagnostic objects
  * are only valid in the scope of a resource.
  */
@@ -1131,11 +1271,11 @@
 	/**
 	 * The diagnostic's code, which usually appear in the user interface.
 	 */
-	Code interface{}/*number | string*/ `json:"code,omitempty"`
+	Code interface{}/*integer | string*/ `json:"code,omitempty"`
 	/**
 	 * An optional property to describe the error code.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	CodeDescription *CodeDescription `json:"codeDescription,omitempty"`
 	/**
@@ -1163,7 +1303,7 @@
 	 * A data entry field that is preserved between a `textDocument/publishDiagnostics`
 	 * notification and `textDocument/codeAction` request.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	Data interface{} `json:"data,omitempty"`
 }
@@ -1232,7 +1372,7 @@
 	 *
 	 * To mirror the content of a document using change events use the following approach:
 	 * - start with the same initial content
-	 * - apply the 'textDocument/didChange' notifications in the order you recevie them.
+	 * - apply the 'textDocument/didChange' notifications in the order you receive them.
 	 * - apply the `TextDocumentContentChangeEvent`s in a single notification in the order
 	 *   you receive them.
 	 */
@@ -1305,7 +1445,7 @@
 	/**
 	 * The document that was closed.
 	 */
-	TextDocument VersionedTextDocumentIdentifier `json:"textDocument"`
+	TextDocument TextDocumentIdentifier `json:"textDocument"`
 	/**
 	 * Optional the content when saved. Depends on the includeText value
 	 * when the save notification was requested.
@@ -1603,6 +1743,8 @@
  * A document selector is the combination of one or many document filters.
  *
  * @sample `let sel:DocumentSelector = [{ language: 'typescript' }, { language: 'json', pattern: '**∕tsconfig.json' }]`;
+ *
+ * The use of a string as a document filter is deprecated @since 3.16.0.
  */
 type DocumentSelector = []string /*string | DocumentFilter*/
 
@@ -1629,7 +1771,7 @@
 	/**
 	 * Tags for this completion item.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	Tags []SymbolTag `json:"tags,omitempty"`
 	/**
@@ -1688,7 +1830,7 @@
 	 * `DocumentSymbol` if `hierarchicalDocumentSymbolSupport` is set to true.
 	 * Clients supporting tags have to handle unknown tags gracefully.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	TagSupport struct {
 		/**
@@ -1713,7 +1855,7 @@
 	 * A human-readable string that is shown when multiple outlines trees
 	 * are shown for the same document.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	Label string `json:"label,omitempty"`
 	WorkDoneProgressOptions
@@ -1780,6 +1922,30 @@
 type FileChangeType float64
 
 /**
+ * Represents information on a file/folder create.
+ *
+ * @since 3.16.0
+ */
+type FileCreate struct {
+	/**
+	 * A file:// URI for the location of the file/folder being created.
+	 */
+	URI string `json:"uri"`
+}
+
+/**
+ * Represents information on a file/folder delete.
+ *
+ * @since 3.16.0
+ */
+type FileDelete struct {
+	/**
+	 * A file:// URI for the location of the file/folder being deleted.
+	 */
+	URI string `json:"uri"`
+}
+
+/**
  * An event describing a file change.
  */
 type FileEvent struct {
@@ -1793,6 +1959,171 @@
 	Type FileChangeType `json:"type"`
 }
 
+/**
+ * Capabilities relating to events from file operations by the user in the client.
+ *
+ * These events do not come from the file system, they come from user operations
+ * like renaming a file in the UI.
+ *
+ * @since 3.16.0
+ */
+type FileOperationClientCapabilities struct {
+	/**
+	 * Whether the client supports dynamic registration for file requests/notifications.
+	 */
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+	/**
+	 * The client has support for sending didCreateFiles notifications.
+	 */
+	DidCreate bool `json:"didCreate,omitempty"`
+	/**
+	 * The client has support for willCreateFiles requests.
+	 */
+	WillCreate bool `json:"willCreate,omitempty"`
+	/**
+	 * The client has support for sending didRenameFiles notifications.
+	 */
+	DidRename bool `json:"didRename,omitempty"`
+	/**
+	 * The client has support for willRenameFiles requests.
+	 */
+	WillRename bool `json:"willRename,omitempty"`
+	/**
+	 * The client has support for sending didDeleteFiles notifications.
+	 */
+	DidDelete bool `json:"didDelete,omitempty"`
+	/**
+	 * The client has support for willDeleteFiles requests.
+	 */
+	WillDelete bool `json:"willDelete,omitempty"`
+}
+
+/**
+ * A filter to describe in which file operation requests or notifications
+ * the server is interested in.
+ *
+ * @since 3.16.0
+ */
+type FileOperationFilter struct {
+	/**
+	 * A Uri like `file` or `untitled`.
+	 */
+	Scheme string `json:"scheme,omitempty"`
+	/**
+	 * The actual file operation pattern.
+	 */
+	Pattern FileOperationPattern `json:"pattern"`
+}
+
+/**
+ * Options for notifications/requests for user operations on files.
+ *
+ * @since 3.16.0
+ */
+type FileOperationOptions struct {
+	/**
+	* The server is interested in didCreateFiles notifications.
+	 */
+	DidCreate FileOperationRegistrationOptions `json:"didCreate,omitempty"`
+	/**
+	* The server is interested in willCreateFiles requests.
+	 */
+	WillCreate FileOperationRegistrationOptions `json:"willCreate,omitempty"`
+	/**
+	* The server is interested in didRenameFiles notifications.
+	 */
+	DidRename FileOperationRegistrationOptions `json:"didRename,omitempty"`
+	/**
+	* The server is interested in willRenameFiles requests.
+	 */
+	WillRename FileOperationRegistrationOptions `json:"willRename,omitempty"`
+	/**
+	* The server is interested in didDeleteFiles file notifications.
+	 */
+	DidDelete FileOperationRegistrationOptions `json:"didDelete,omitempty"`
+	/**
+	* The server is interested in willDeleteFiles file requests.
+	 */
+	WillDelete FileOperationRegistrationOptions `json:"willDelete,omitempty"`
+}
+
+/**
+ * A pattern to describe in which file operation requests or notifications
+ * the server is interested in.
+ *
+ * @since 3.16.0
+ */
+type FileOperationPattern struct {
+	/**
+	 * The glob pattern to match. Glob patterns can have the following syntax:
+	 * - `*` to match one or more characters in a path segment
+	 * - `?` to match on one character in a path segment
+	 * - `**` to match any number of path segments, including none
+	 * - `{}` to group conditions (e.g. `**​/*.{ts,js}` matches all TypeScript and JavaScript files)
+	 * - `[]` to declare a range of characters to match in a path segment (e.g., `example.[0-9]` to match on `example.0`, `example.1`, …)
+	 * - `[!...]` to negate a range of characters to match in a path segment (e.g., `example.[!0-9]` to match on `example.a`, `example.b`, but not `example.0`)
+	 */
+	Glob string `json:"glob"`
+	/**
+	 * Whether to match files or folders with this pattern.
+	 *
+	 * Matches both if undefined.
+	 */
+	Matches FileOperationPatternKind `json:"matches,omitempty"`
+	/**
+	 * Additional options used during matching.
+	 */
+	Options FileOperationPatternOptions `json:"options,omitempty"`
+}
+
+/**
+ * A pattern kind describing if a glob pattern matches a file a folder or
+ * both.
+ *
+ * @since 3.16.0
+ */
+type FileOperationPatternKind string
+
+/**
+ * Matching options for the file operation pattern.
+ *
+ * @since 3.16.0
+ */
+type FileOperationPatternOptions struct {
+	/**
+	 * The pattern should be matched ignoring casing.
+	 */
+	IgnoreCase bool `json:"ignoreCase,omitempty"`
+}
+
+/**
+ * The options to register for file operations.
+ *
+ * @since 3.16.0
+ */
+type FileOperationRegistrationOptions struct {
+	/**
+	 * The actual filters.
+	 */
+	Filters []FileOperationFilter `json:"filters"`
+}
+
+/**
+ * Represents information on a file/folder rename.
+ *
+ * @since 3.16.0
+ */
+type FileRename struct {
+	/**
+	 * A file:// URI for the original location of the file/folder being renamed.
+	 */
+	OldURI string `json:"oldUri"`
+	/**
+	 * A file:// URI for the new location of the file/folder being renamed.
+	 */
+	NewURI string `json:"newUri"`
+}
+
 type FileSystemWatcher struct {
 	/**
 	 * The  glob pattern to watch. Glob patterns can have the following syntax:
@@ -1809,29 +2140,32 @@
 	 * to WatchKind.Create | WatchKind.Change | WatchKind.Delete
 	 * which is 7.
 	 */
-	Kind float64 `json:"kind,omitempty"`
+	Kind uint32 `json:"kind,omitempty"`
 }
 
 /**
- * Represents a folding range.
+ * Represents a folding range. To be valid, start and end line must be bigger than zero and smaller
+ * than the number of lines in the document. Clients are free to ignore invalid ranges.
  */
 type FoldingRange struct {
 	/**
-	 * The zero-based line number from where the folded range starts.
+	 * The zero-based start line of the range to fold. The folded area starts after the line's last character.
+	 * To be valid, the end must be zero or larger and smaller than the number of lines in the document.
 	 */
-	StartLine float64 `json:"startLine"`
+	StartLine uint32 `json:"startLine"`
 	/**
 	 * The zero-based character offset from where the folded range starts. If not defined, defaults to the length of the start line.
 	 */
-	StartCharacter float64 `json:"startCharacter,omitempty"`
+	StartCharacter uint32 `json:"startCharacter,omitempty"`
 	/**
-	 * The zero-based line number where the folded range ends.
+	 * The zero-based end line of the range to fold. The folded area ends with the line's last character.
+	 * To be valid, the end must be zero or larger and smaller than the number of lines in the document.
 	 */
-	EndLine float64 `json:"endLine"`
+	EndLine uint32 `json:"endLine"`
 	/**
 	 * The zero-based character offset before the folded range ends. If not defined, defaults to the length of the end line.
 	 */
-	EndCharacter float64 `json:"endCharacter,omitempty"`
+	EndCharacter uint32 `json:"endCharacter,omitempty"`
 	/**
 	 * Describes the kind of the folding range such as `comment' or 'region'. The kind
 	 * is used to categorize folding ranges and used by commands like 'Fold all comments'. See
@@ -1851,7 +2185,7 @@
 	 * The maximum number of folding ranges that the client prefers to receive per document. The value serves as a
 	 * hint, servers are free to follow the limit.
 	 */
-	RangeLimit float64 `json:"rangeLimit,omitempty"`
+	RangeLimit uint32 `json:"rangeLimit,omitempty"`
 	/**
 	 * If set, the client signals that it only supports folding complete lines. If set, client will
 	 * ignore specified `startCharacter` and `endCharacter` properties in a FoldingRange.
@@ -1893,7 +2227,7 @@
 	/**
 	 * Size of a tab in spaces.
 	 */
-	TabSize float64 `json:"tabSize"`
+	TabSize uint32 `json:"tabSize"`
 	/**
 	 * Prefer spaces over tabs.
 	 */
@@ -1919,6 +2253,46 @@
 }
 
 /**
+ * General client capabilities.
+ *
+ * @since 3.16.0
+ */
+type GeneralClientCapabilities struct {
+	/**
+	 * Client capability that signals how the client
+	 * handles stale requests (e.g. a request
+	 * for which the client will not process the response
+	 * anymore since the information is outdated).
+	 *
+	 * @since 3.17.0
+	 */
+	StaleRequestSupport struct {
+		/**
+		 * The client will actively cancel the request.
+		 */
+		Cancel bool `json:"cancel"`
+		/**
+		 * The list of requests for which the client
+		 * will retry the request if it receives a
+		 * response with error code `ContentModified``
+		 */
+		RetryOnContentModified []string `json:"retryOnContentModified"`
+	} `json:"staleRequestSupport,omitempty"`
+	/**
+	 * Client capabilities specific to regular expressions.
+	 *
+	 * @since 3.16.0
+	 */
+	RegularExpressions RegularExpressionsClientCapabilities `json:"regularExpressions,omitempty"`
+	/**
+	 * Client capabilities specific to the client's markdown parser.
+	 *
+	 * @since 3.16.0
+	 */
+	Markdown MarkdownClientCapabilities `json:"markdown,omitempty"`
+}
+
+/**
  * The result of a hover request.
  */
 type Hover struct {
@@ -2022,7 +2396,7 @@
 		 */
 		Name string `json:"name"`
 		/**
-		 * The servers's version as defined by the server.
+		 * The server's version as defined by the server.
 		 */
 		Version string `json:"version,omitempty"`
 	} `json:"serverInfo,omitempty"`
@@ -2046,7 +2420,13 @@
 	/**
 	 * Window specific client capabilities.
 	 */
-	Window interface{} `json:"window,omitempty"`
+	Window WindowClientCapabilities `json:"window,omitempty"`
+	/**
+	 * General client capabilities.
+	 *
+	 * @since 3.16.0
+	 */
+	General GeneralClientCapabilities `json:"general,omitempty"`
 	/**
 	 * Experimental client capabilities.
 	 */
@@ -2061,7 +2441,7 @@
 	 * The process Id of the parent process that started
 	 * the server.
 	 */
-	ProcessID float64/*number | null*/ `json:"processId"`
+	ProcessID int32/*integer | null*/ `json:"processId"`
 	/**
 	 * Information about the client
 	 *
@@ -2078,6 +2458,17 @@
 		Version string `json:"version,omitempty"`
 	} `json:"clientInfo,omitempty"`
 	/**
+	 * The locale the client is currently showing the user interface
+	 * in. This must not necessarily be the locale of the operating
+	 * system.
+	 *
+	 * Uses IETF language tags as the value's syntax
+	 * (See https://en.wikipedia.org/wiki/IETF_language_tag)
+	 *
+	 * @since 3.16.0
+	 */
+	Locale string `json:"locale,omitempty"`
+	/**
 	 * The rootPath of the workspace. Is null
 	 * if no folder is open.
 	 *
@@ -2210,18 +2601,34 @@
 	 */
 	ExecuteCommandProvider ExecuteCommandOptions `json:"executeCommandProvider,omitempty"`
 	/**
-	 * The server provides Call Hierarchy support.
+	 * The server provides call hierarchy support.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	CallHierarchyProvider interface{}/* bool | CallHierarchyOptions | CallHierarchyRegistrationOptions*/ `json:"callHierarchyProvider,omitempty"`
 	/**
+	 * The server provides linked editing range support.
+	 *
+	 * @since 3.16.0
+	 */
+	LinkedEditingRangeProvider interface{}/* bool | LinkedEditingRangeOptions | LinkedEditingRangeRegistrationOptions*/ `json:"linkedEditingRangeProvider,omitempty"`
+	/**
 	 * The server provides semantic tokens support.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	SemanticTokensProvider interface{}/*SemanticTokensOptions | SemanticTokensRegistrationOptions*/ `json:"semanticTokensProvider,omitempty"`
 	/**
+	 * Window specific server capabilities.
+	 */
+	Workspace WorkspaceGn `json:"workspace,omitempty"`
+	/**
+	 * The server provides moniker support.
+	 *
+	 * @since 3.16.0
+	 */
+	MonikerProvider interface{}/* bool | MonikerOptions | MonikerRegistrationOptions*/ `json:"monikerProvider,omitempty"`
+	/**
 	 * Experimental server capabilities.
 	 */
 	Experimental interface{} `json:"experimental,omitempty"`
@@ -2230,7 +2637,7 @@
 /**
  * A special text edit to provide an insert and a replace operation.
  *
- * @since 3.16.0 - proposed state
+ * @since 3.16.0
  */
 type InsertReplaceEdit struct {
 	/**
@@ -2254,6 +2661,64 @@
 type InsertTextFormat float64
 
 /**
+ * How whitespace and indentation is handled during completion
+ * item insertion.
+ *
+ * @since 3.16.0
+ */
+type InsertTextMode float64
+
+type Integer float64
+
+/**
+ * Client capabilities for the linked editing range request.
+ *
+ * @since 3.16.0
+ */
+type LinkedEditingRangeClientCapabilities struct {
+	/**
+	 * Whether implementation supports dynamic registration. If this is set to `true`
+	 * the client supports the new `(TextDocumentRegistrationOptions & StaticRegistrationOptions)`
+	 * return value for the corresponding server capability as well.
+	 */
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+}
+
+type LinkedEditingRangeOptions struct {
+	WorkDoneProgressOptions
+}
+
+type LinkedEditingRangeParams struct {
+	TextDocumentPositionParams
+	WorkDoneProgressParams
+}
+
+type LinkedEditingRangeRegistrationOptions struct {
+	TextDocumentRegistrationOptions
+	LinkedEditingRangeOptions
+	StaticRegistrationOptions
+}
+
+/**
+ * The result of a linked editing range request.
+ *
+ * @since 3.16.0
+ */
+type LinkedEditingRanges struct {
+	/**
+	 * A list of ranges that can be edited together. The ranges must have
+	 * identical length and contain identical text content. The ranges cannot overlap.
+	 */
+	Ranges []Range `json:"ranges"`
+	/**
+	 * An optional word pattern (regular expression) that describes valid contents for
+	 * the given ranges. If no pattern is provided, the client configuration's word
+	 * pattern will be used.
+	 */
+	WordPattern string `json:"wordPattern,omitempty"`
+}
+
+/**
  * Represents a location inside a resource, such as a line
  * inside a text file.
  */
@@ -2311,6 +2776,22 @@
 }
 
 /**
+ * Client capabilities specific to the used markdown parser.
+ *
+ * @since 3.16.0
+ */
+type MarkdownClientCapabilities struct {
+	/**
+	 * The name of the parser.
+	 */
+	Parser string `json:"parser"`
+	/**
+	 * The version of the parser.
+	 */
+	Version string `json:"version,omitempty"`
+}
+
+/**
  * MarkedString can be used to render human readable text. It is either a markdown string
  * or a code-block that provides a language and a code snippet. The language identifier
  * is semantically equal to the optional language identifier in fenced code blocks in GitHub
@@ -2408,18 +2889,56 @@
 }
 
 /**
+ * Client capabilities specific to the moniker request.
+ *
+ * @since 3.16.0
+ */
+type MonikerClientCapabilities struct {
+	/**
+	 * Whether moniker supports dynamic registration. If this is set to `true`
+	 * the client supports the new `MonikerRegistrationOptions` return value
+	 * for the corresponding server capability as well.
+	 */
+	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
+}
+
+/**
  * The moniker kind.
  *
  * @since 3.16.0
  */
 type MonikerKind string
 
+type MonikerOptions struct {
+	WorkDoneProgressOptions
+}
+
 type MonikerParams struct {
 	TextDocumentPositionParams
 	WorkDoneProgressParams
 	PartialResultParams
 }
 
+type MonikerRegistrationOptions struct {
+	TextDocumentRegistrationOptions
+	MonikerOptions
+}
+
+/**
+ * A text document identifier to optionally denote a specific version of a text document.
+ */
+type OptionalVersionedTextDocumentIdentifier struct {
+	/**
+	 * The version number of this document. If a versioned text document identifier
+	 * is sent from the server to the client and the file is not open in the editor
+	 * (the server has not received an open notification before) the server can send
+	 * `null` to indicate that the version is unknown and the content on disk is the
+	 * truth (as specified with document content ownership).
+	 */
+	Version int32/*integer | null*/ `json:"version"`
+	TextDocumentIdentifier
+}
+
 /**
  * Represents a parameter of a callable-signature. A parameter can
  * have a label and a doc-comment.
@@ -2435,7 +2954,7 @@
 	 * *Note*: a label of type string should be a substring of its containing signature label.
 	 * Its intended use case is to highlight the parameter label part in the `SignatureInformation.label`.
 	 */
-	Label string/*string | [number, number]*/ `json:"label"`
+	Label string/*string | [uinteger, uinteger]*/ `json:"label"`
 	/**
 	 * The human-readable doc-comment of this signature. Will be shown
 	 * in the UI but can be omitted.
@@ -2464,10 +2983,8 @@
 type Position struct {
 	/**
 	 * Line position in a document (zero-based).
-	 * If a line number is greater than the number of lines in a document, it defaults back to the number of lines in the document.
-	 * If a line number is negative, it defaults to 0.
 	 */
-	Line float64 `json:"line"`
+	Line uint32 `json:"line"`
 	/**
 	 * Character offset on a line in a document (zero-based). Assuming that the line is
 	 * represented as a string, the `character` value represents the gap between the
@@ -2475,9 +2992,8 @@
 	 *
 	 * If the character value is greater than the line length it defaults back to the
 	 * line length.
-	 * If a line number is negative, it defaults to 0.
 	 */
-	Character float64 `json:"character"`
+	Character uint32 `json:"character"`
 }
 
 type PrepareRenameParams struct {
@@ -2485,6 +3001,8 @@
 	WorkDoneProgressParams
 }
 
+type PrepareSupportDefaultBehavior = interface{}
+
 type ProgressParams struct {
 	/**
 	 * The progress token provided by the client or server.
@@ -2528,7 +3046,7 @@
 	/**
 	 * Client supports a codeDescription property
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	CodeDescriptionSupport bool `json:"codeDescriptionSupport,omitempty"`
 	/**
@@ -2536,7 +3054,7 @@
 	 * preserved between a `textDocument/publishDiagnostics` and
 	 * `textDocument/codeAction` request.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	DataSupport bool `json:"dataSupport,omitempty"`
 }
@@ -2554,7 +3072,7 @@
 	 *
 	 * @since 3.15.0
 	 */
-	Version float64 `json:"version,omitempty"`
+	Version int32 `json:"version,omitempty"`
 	/**
 	 * An array of diagnostic information items.
 	 */
@@ -2646,6 +3164,22 @@
 	Registrations []Registration `json:"registrations"`
 }
 
+/**
+ * Client capabilities specific to regular expressions.
+ *
+ * @since 3.16.0
+ */
+type RegularExpressionsClientCapabilities struct {
+	/**
+	 * The engine's name.
+	 */
+	Engine string `json:"engine"`
+	/**
+	 * The engine's version.
+	 */
+	Version string `json:"version,omitempty"`
+}
+
 type RenameClientCapabilities struct {
 	/**
 	 * Whether rename supports dynamic registration.
@@ -2655,15 +3189,28 @@
 	 * Client supports testing for validity of rename operations
 	 * before execution.
 	 *
-	 * @since version 3.12.0
+	 * @since 3.12.0
 	 */
 	PrepareSupport bool `json:"prepareSupport,omitempty"`
 	/**
 	 * Client supports the default behavior result.
 	 *
-	 * @since version 3.16.0
+	 * The value indicates the default behavior used by the
+	 * client.
+	 *
+	 * @since 3.16.0
 	 */
-	PrepareSupportDefaultBehavior bool `json:"prepareSupportDefaultBehavior,omitempty"`
+	PrepareSupportDefaultBehavior PrepareSupportDefaultBehavior `json:"prepareSupportDefaultBehavior,omitempty"`
+	/**
+	 * Whether th client honors the change annotations in
+	 * text edits and resource operations returned via the
+	 * rename request's workspace edit by for example presenting
+	 * the workspace edit in the user interface and asking
+	 * for confirmation.
+	 *
+	 * @since 3.16.0
+	 */
+	HonorsChangeAnnotations bool `json:"honorsChangeAnnotations,omitempty"`
 }
 
 /**
@@ -2704,6 +3251,19 @@
 }
 
 /**
+ * The parameters sent in file rename requests/notifications.
+ *
+ * @since 3.16.0
+ */
+type RenameFilesParams struct {
+	/**
+	 * An array of all files/folders renamed in this operation. When a folder is renamed, only
+	 * the folder will be included, and not its children.
+	 */
+	Files []FileRename `json:"files"`
+}
+
+/**
  * Provider options for a [RenameRequest](#RenameRequest).
  */
 type RenameOptions struct {
@@ -2737,8 +3297,20 @@
 	WorkDoneProgressParams
 }
 
+/**
+ * A generic resource operation.
+ */
 type ResourceOperation struct {
+	/**
+	 * The resource operation kind.
+	 */
 	Kind string `json:"kind"`
+	/**
+	 * An optional annotation identifier describing the operation.
+	 *
+	 * @since 3.16.0
+	 */
+	AnnotationID ChangeAnnotationIdentifier `json:"annotationId,omitempty"`
 }
 
 type ResourceOperationKind string
@@ -2804,7 +3376,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokens struct {
 	/**
@@ -2817,11 +3389,11 @@
 	/**
 	 * The actual tokens.
 	 */
-	Data []float64 `json:"data"`
+	Data []uint32 `json:"data"`
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensClientCapabilities struct {
 	/**
@@ -2832,6 +3404,13 @@
 	DynamicRegistration bool `json:"dynamicRegistration,omitempty"`
 	/**
 	 * Which requests the client supports and might send to the server
+	 * depending on the server's capability. Please note that clients might not
+	 * show semantic tokens or degrade some of the user experience if a range
+	 * or full request is advertised by the client but not provided by the
+	 * server. If for example the client capability `requests.full` and
+	 * `request.range` are both set to true but the server only provides a
+	 * range provider the client might not render a minimap correctly or might
+	 * even decide to not show any semantic tokens at all.
 	 */
 	Requests struct {
 		/**
@@ -2854,13 +3433,21 @@
 	 */
 	TokenModifiers []string `json:"tokenModifiers"`
 	/**
-	 * The formats the clients supports.
+	 * The token formats the clients supports.
 	 */
 	Formats []TokenFormat `json:"formats"`
+	/**
+	 * Whether the client supports tokens that can overlap each other.
+	 */
+	OverlappingTokenSupport bool `json:"overlappingTokenSupport,omitempty"`
+	/**
+	 * Whether the client supports tokens that can span multiple lines.
+	 */
+	MultilineTokenSupport bool `json:"multilineTokenSupport,omitempty"`
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensDelta struct {
 	ResultID string `json:"resultId,omitempty"`
@@ -2871,7 +3458,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensDeltaParams struct {
 	/**
@@ -2880,7 +3467,7 @@
 	TextDocument TextDocumentIdentifier `json:"textDocument"`
 	/**
 	 * The result id of a previous response. The result Id can either point to a full response
-	 * or a delta response depending on what was recevied last.
+	 * or a delta response depending on what was received last.
 	 */
 	PreviousResultID string `json:"previousResultId"`
 	WorkDoneProgressParams
@@ -2888,25 +3475,25 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensEdit struct {
 	/**
 	 * The start offset of the edit.
 	 */
-	Start float64 `json:"start"`
+	Start uint32 `json:"start"`
 	/**
 	 * The count of elements to remove.
 	 */
-	DeleteCount float64 `json:"deleteCount"`
+	DeleteCount uint32 `json:"deleteCount"`
 	/**
 	 * The elements to insert.
 	 */
-	Data []float64 `json:"data,omitempty"`
+	Data []uint32 `json:"data,omitempty"`
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensLegend struct {
 	/**
@@ -2920,7 +3507,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensOptions struct {
 	/**
@@ -2928,7 +3515,7 @@
 	 */
 	Legend SemanticTokensLegend `json:"legend"`
 	/**
-	 * Server supports providing semantic tokens for a sepcific range
+	 * Server supports providing semantic tokens for a specific range
 	 * of a document.
 	 */
 	Range bool/*boolean | {	}*/ `json:"range,omitempty"`
@@ -2940,7 +3527,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensParams struct {
 	/**
@@ -2952,7 +3539,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensRangeParams struct {
 	/**
@@ -2968,7 +3555,7 @@
 }
 
 /**
- * @since 3.16.0 - Proposed state
+ * @since 3.16.0
  */
 type SemanticTokensRegistrationOptions struct {
 	TextDocumentRegistrationOptions
@@ -2978,132 +3565,20 @@
 
 type SemanticTokensWorkspaceClientCapabilities struct {
 	/**
-	 * Whether the client implementation supports a refresh request send from the server
-	 * to the client. This is useful if a server detects a project wide configuration change
-	 * which requires a re-calculation of all semantic tokens provided by the server issuing
-	 * the request.
+	 * Whether the client implementation supports a refresh request sent from
+	 * the server to the client.
+	 *
+	 * Note that this event is global and will force the client to refresh all
+	 * semantic tokens currently shown. It should be used with absolute care
+	 * and is useful for situation where a server for example detect a project
+	 * wide change that requires such a calculation.
 	 */
 	RefreshSupport bool `json:"refreshSupport,omitempty"`
 }
 
 type ServerCapabilities = struct {
-	/**
-	 * Defines how text documents are synced. Is either a detailed structure defining each notification or
-	 * for backwards compatibility the TextDocumentSyncKind number.
-	 */
-	TextDocumentSync interface{}/*TextDocumentSyncOptions | TextDocumentSyncKind*/ `json:"textDocumentSync,omitempty"`
-	/**
-	 * The server provides completion support.
-	 */
-	CompletionProvider CompletionOptions `json:"completionProvider,omitempty"`
-	/**
-	 * The server provides hover support.
-	 */
-	HoverProvider bool/*boolean | HoverOptions*/ `json:"hoverProvider,omitempty"`
-	/**
-	 * The server provides signature help support.
-	 */
-	SignatureHelpProvider SignatureHelpOptions `json:"signatureHelpProvider,omitempty"`
-	/**
-	 * The server provides Goto Declaration support.
-	 */
-	DeclarationProvider interface{}/* bool | DeclarationOptions | DeclarationRegistrationOptions*/ `json:"declarationProvider,omitempty"`
-	/**
-	 * The server provides goto definition support.
-	 */
-	DefinitionProvider bool/*boolean | DefinitionOptions*/ `json:"definitionProvider,omitempty"`
-	/**
-	 * The server provides Goto Type Definition support.
-	 */
-	TypeDefinitionProvider interface{}/* bool | TypeDefinitionOptions | TypeDefinitionRegistrationOptions*/ `json:"typeDefinitionProvider,omitempty"`
-	/**
-	 * The server provides Goto Implementation support.
-	 */
-	ImplementationProvider interface{}/* bool | ImplementationOptions | ImplementationRegistrationOptions*/ `json:"implementationProvider,omitempty"`
-	/**
-	 * The server provides find references support.
-	 */
-	ReferencesProvider bool/*boolean | ReferenceOptions*/ `json:"referencesProvider,omitempty"`
-	/**
-	 * The server provides document highlight support.
-	 */
-	DocumentHighlightProvider bool/*boolean | DocumentHighlightOptions*/ `json:"documentHighlightProvider,omitempty"`
-	/**
-	 * The server provides document symbol support.
-	 */
-	DocumentSymbolProvider bool/*boolean | DocumentSymbolOptions*/ `json:"documentSymbolProvider,omitempty"`
-	/**
-	 * The server provides code actions. CodeActionOptions may only be
-	 * specified if the client states that it supports
-	 * `codeActionLiteralSupport` in its initial `initialize` request.
-	 */
-	CodeActionProvider interface{}/*boolean | CodeActionOptions*/ `json:"codeActionProvider,omitempty"`
-	/**
-	 * The server provides code lens.
-	 */
-	CodeLensProvider CodeLensOptions `json:"codeLensProvider,omitempty"`
-	/**
-	 * The server provides document link support.
-	 */
-	DocumentLinkProvider DocumentLinkOptions `json:"documentLinkProvider,omitempty"`
-	/**
-	 * The server provides color provider support.
-	 */
-	ColorProvider interface{}/* bool | DocumentColorOptions | DocumentColorRegistrationOptions*/ `json:"colorProvider,omitempty"`
-	/**
-	 * The server provides workspace symbol support.
-	 */
-	WorkspaceSymbolProvider bool/*boolean | WorkspaceSymbolOptions*/ `json:"workspaceSymbolProvider,omitempty"`
-	/**
-	 * The server provides document formatting.
-	 */
-	DocumentFormattingProvider bool/*boolean | DocumentFormattingOptions*/ `json:"documentFormattingProvider,omitempty"`
-	/**
-	 * The server provides document range formatting.
-	 */
-	DocumentRangeFormattingProvider bool/*boolean | DocumentRangeFormattingOptions*/ `json:"documentRangeFormattingProvider,omitempty"`
-	/**
-	 * The server provides document formatting on typing.
-	 */
-	DocumentOnTypeFormattingProvider DocumentOnTypeFormattingOptions `json:"documentOnTypeFormattingProvider,omitempty"`
-	/**
-	 * The server provides rename support. RenameOptions may only be
-	 * specified if the client states that it supports
-	 * `prepareSupport` in its initial `initialize` request.
-	 */
-	RenameProvider interface{}/*boolean | RenameOptions*/ `json:"renameProvider,omitempty"`
-	/**
-	 * The server provides folding provider support.
-	 */
-	FoldingRangeProvider interface{}/* bool | FoldingRangeOptions | FoldingRangeRegistrationOptions*/ `json:"foldingRangeProvider,omitempty"`
-	/**
-	 * The server provides selection range support.
-	 */
-	SelectionRangeProvider interface{}/* bool | SelectionRangeOptions | SelectionRangeRegistrationOptions*/ `json:"selectionRangeProvider,omitempty"`
-	/**
-	 * The server provides execute command support.
-	 */
-	ExecuteCommandProvider ExecuteCommandOptions `json:"executeCommandProvider,omitempty"`
-	/**
-	 * The server provides Call Hierarchy support.
-	 *
-	 * @since 3.16.0 - proposed state
-	 */
-	CallHierarchyProvider interface{}/* bool | CallHierarchyOptions | CallHierarchyRegistrationOptions*/ `json:"callHierarchyProvider,omitempty"`
-	/**
-	 * The server provides semantic tokens support.
-	 *
-	 * @since 3.16.0 - proposed state
-	 */
-	SemanticTokensProvider interface{}/*SemanticTokensOptions | SemanticTokensRegistrationOptions*/ `json:"semanticTokensProvider,omitempty"`
-	/**
-	 * Experimental server capabilities.
-	 */
-	Experimental interface{} `json:"experimental,omitempty"`
-	/**
-	 * The workspace server capabilities
-	 */
-	Workspace WorkspaceGn `json:"workspace,omitempty"`
+	InnerServerCapabilities
+	WorkspaceFoldersServerCapabilities
 }
 
 type SetTraceParams struct {
@@ -3111,6 +3586,63 @@
 }
 
 /**
+ * Client capabilities for the show document request.
+ *
+ * @since 3.16.0
+ */
+type ShowDocumentClientCapabilities struct {
+	/**
+	 * The client has support for the show document
+	 * request.
+	 */
+	Support bool `json:"support"`
+}
+
+/**
+ * Params to show a document.
+ *
+ * @since 3.16.0
+ */
+type ShowDocumentParams struct {
+	/**
+	 * The document uri to show.
+	 */
+	URI URI `json:"uri"`
+	/**
+	 * Indicates to show the resource in an external program.
+	 * To show for example `https://code.visualstudio.com/`
+	 * in the default WEB browser set `external` to `true`.
+	 */
+	External bool `json:"external,omitempty"`
+	/**
+	 * An optional property to indicate whether the editor
+	 * showing the document should take focus or not.
+	 * Clients might ignore this property if an external
+	 * program in started.
+	 */
+	TakeFocus bool `json:"takeFocus,omitempty"`
+	/**
+	 * An optional selection range if the document is a text
+	 * document. Clients might ignore the property if an
+	 * external program is started or the file is not a text
+	 * file.
+	 */
+	Selection Range `json:"selection,omitempty"`
+}
+
+/**
+ * The result of an show document request.
+ *
+ * @since 3.16.0
+ */
+type ShowDocumentResult struct {
+	/**
+	 * A boolean indicating if the show was successful.
+	 */
+	Success bool `json:"success"`
+}
+
+/**
  * The parameters of a notification message.
  */
 type ShowMessageParams struct {
@@ -3124,6 +3656,23 @@
 	Message string `json:"message"`
 }
 
+/**
+ * Show message request client capabilities
+ */
+type ShowMessageRequestClientCapabilities struct {
+	/**
+	 * Capabilities specific to the `MessageActionItem` type.
+	 */
+	MessageActionItem struct {
+		/**
+		 * Whether the client supports additional attributes which
+		 * are preserved and send back to the server in the
+		 * request's response.
+		 */
+		AdditionalPropertiesSupport bool `json:"additionalPropertiesSupport,omitempty"`
+	} `json:"messageActionItem,omitempty"`
+}
+
 type ShowMessageRequestParams struct {
 	/**
 	 * The message type. See {@link MessageType}
@@ -3153,12 +3702,12 @@
 	 * The active signature. Set to `null` if no
 	 * signatures exist.
 	 */
-	ActiveSignature float64/*number | null*/ `json:"activeSignature"`
+	ActiveSignature uint32/*uinteger | null*/ `json:"activeSignature"`
 	/**
 	 * The active parameter of the active signature. Set to `null`
 	 * if the active signature has no parameters.
 	 */
-	ActiveParameter float64/*number | null*/ `json:"activeParameter"`
+	ActiveParameter uint32/*uinteger | null*/ `json:"activeParameter"`
 }
 
 /**
@@ -3195,7 +3744,7 @@
 		 * The client support the `activeParameter` property on `SignatureInformation`
 		 * literal.
 		 *
-		 * @since 3.16.0 - proposed state
+		 * @since 3.16.0
 		 */
 		ActiveParameterSupport bool `json:"activeParameterSupport,omitempty"`
 	} `json:"signatureInformation,omitempty"`
@@ -3229,7 +3778,7 @@
 	/**
 	 * `true` if signature help was already showing when it was triggered.
 	 *
-	 * Retriggers occur when the signature help is already active and can be caused by actions such as
+	 * Retrigger occurs when the signature help is already active and can be caused by actions such as
 	 * typing a trigger character, a cursor move, or document content changes.
 	 */
 	IsRetrigger bool `json:"isRetrigger"`
@@ -3309,9 +3858,9 @@
 	 *
 	 * If provided, this is used in place of `SignatureHelp.activeParameter`.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
-	ActiveParameter float64 `json:"activeParameter,omitempty"`
+	ActiveParameter uint32 `json:"activeParameter,omitempty"`
 }
 
 /**
@@ -3342,7 +3891,7 @@
 	/**
 	 * Tags for this completion item.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	Tags []SymbolTag `json:"tags,omitempty"`
 	/**
@@ -3470,13 +4019,13 @@
 	 */
 	Rename RenameClientCapabilities `json:"rename,omitempty"`
 	/**
-	 * Capabilities specific to `textDocument/foldingRange` requests.
+	 * Capabilities specific to `textDocument/foldingRange` request.
 	 *
 	 * @since 3.10.0
 	 */
 	FoldingRange FoldingRangeClientCapabilities `json:"foldingRange,omitempty"`
 	/**
-	 * Capabilities specific to `textDocument/selectionRange` requests
+	 * Capabilities specific to `textDocument/selectionRange` request.
 	 *
 	 * @since 3.15.0
 	 */
@@ -3486,17 +4035,29 @@
 	 */
 	PublishDiagnostics PublishDiagnosticsClientCapabilities `json:"publishDiagnostics,omitempty"`
 	/**
-	 * Capabilities specific to the various call hierarchy requests.
+	 * Capabilities specific to the various call hierarchy request.
 	 *
 	 * @since 3.16.0
 	 */
 	CallHierarchy CallHierarchyClientCapabilities `json:"callHierarchy,omitempty"`
 	/**
-	 * Capabilities specific to the various semantic token requsts.
+	 * Capabilities specific to the various semantic token request.
 	 *
-	 * @since 3.16.0 - Proposed state
+	 * @since 3.16.0
 	 */
 	SemanticTokens SemanticTokensClientCapabilities `json:"semanticTokens,omitempty"`
+	/**
+	 * Capabilities specific to the linked editing range request.
+	 *
+	 * @since 3.16.0
+	 */
+	LinkedEditingRange LinkedEditingRangeClientCapabilities `json:"linkedEditingRange,omitempty"`
+	/**
+	 * Client capabilities specific to the moniker request.
+	 *
+	 * @since 3.16.0
+	 */
+	Moniker MonikerClientCapabilities `json:"moniker,omitempty"`
 }
 
 /**
@@ -3515,7 +4076,7 @@
 	 *
 	 * @deprecated use range instead.
 	 */
-	RangeLength float64 `json:"rangeLength,omitempty"`
+	RangeLength uint32 `json:"rangeLength,omitempty"`
 	/**
 	 * The new text for the provided range.
 	 */
@@ -3532,11 +4093,14 @@
 	/**
 	 * The text document to change.
 	 */
-	TextDocument VersionedTextDocumentIdentifier `json:"textDocument"`
+	TextDocument OptionalVersionedTextDocumentIdentifier `json:"textDocument"`
 	/**
 	 * The edits to be applied.
+	 *
+	 * @since 3.16.0 - support for AnnotatedTextEdit. This is guarded using a
+	 * client capability.
 	 */
-	Edits []TextEdit `json:"edits"`
+	Edits []TextEdit/*TextEdit | AnnotatedTextEdit*/ `json:"edits"`
 }
 
 /**
@@ -3566,7 +4130,7 @@
 	 * The version number of this document (it will increase after each
 	 * change, including undo/redo).
 	 */
-	Version float64 `json:"version"`
+	Version int32 `json:"version"`
 	/**
 	 * The content of the opened text document.
 	 */
@@ -3716,10 +4280,12 @@
 /**
  * A tagging type for string properties that are actually URIs
  *
- * @since 3.16.0 - proposed state
+ * @since 3.16.0
  */
 type URI = string
 
+type Uinteger float64
+
 /**
  * Moniker uniqueness level to define scope of the moniker.
  *
@@ -3747,17 +4313,13 @@
 }
 
 /**
- * An identifier to denote a specific version of a text document.
+ * A text document identifier to denote a specific version of a text document.
  */
 type VersionedTextDocumentIdentifier struct {
 	/**
-	 * The version number of this document. If a versioned text document identifier
-	 * is sent from the server to the client and the file is not open in the editor
-	 * (the server has not received an open notification before) the server can send
-	 * `null` to indicate that the version is unknown and the content on disk is the
-	 * truth (as speced with document content ownership).
+	 * The version number of this document.
 	 */
-	Version float64/*number | null*/ `json:"version"`
+	Version int32 `json:"version"`
 	TextDocumentIdentifier
 }
 
@@ -3777,6 +4339,29 @@
 	Reason TextDocumentSaveReason `json:"reason"`
 }
 
+type WindowClientCapabilities struct {
+	/**
+	 * Whether client supports handling progress notifications. If set
+	 * servers are allowed to report in `workDoneProgress` property in the
+	 * request specific server capabilities.
+	 *
+	 * @since 3.15.0
+	 */
+	WorkDoneProgress bool `json:"workDoneProgress,omitempty"`
+	/**
+	 * Capabilities specific to the showMessage request.
+	 *
+	 * @since 3.16.0
+	 */
+	ShowMessage ShowMessageRequestClientCapabilities `json:"showMessage,omitempty"`
+	/**
+	 * Capabilities specific to the showDocument request.
+	 *
+	 * @since 3.16.0
+	 */
+	ShowDocument ShowDocumentClientCapabilities `json:"showDocument,omitempty"`
+}
+
 type WorkDoneProgressBegin struct {
 	Kind string `json:"kind"`
 	/**
@@ -3806,9 +4391,9 @@
 	 * to ignore the `percentage` value in subsequent in report notifications.
 	 *
 	 * The value should be steadily rising. Clients are free to ignore values
-	 * that are not following this rule.
+	 * that are not following this rule. The value range is [0, 100].
 	 */
-	Percentage float64 `json:"percentage,omitempty"`
+	Percentage uint32 `json:"percentage,omitempty"`
 }
 
 type WorkDoneProgressCancelParams struct {
@@ -3883,9 +4468,9 @@
 	 * to ignore the `percentage` value in subsequent in report notifications.
 	 *
 	 * The value should be steadily rising. Clients are free to ignore values
-	 * that are not following this rule.
+	 * that are not following this rule. The value range is [0, 100]
 	 */
-	Percentage float64 `json:"percentage,omitempty"`
+	Percentage uint32 `json:"percentage,omitempty"`
 }
 
 /**
@@ -3919,12 +4504,25 @@
 	 */
 	ExecuteCommand ExecuteCommandClientCapabilities `json:"executeCommand,omitempty"`
 	/**
-	 * Capabilities specific to the semantic token requsts scoped to the
+	 * Capabilities specific to the semantic token requests scoped to the
 	 * workspace.
 	 *
-	 * @since 3.16.0 - proposed state.
+	 * @since 3.16.0.
 	 */
 	SemanticTokens SemanticTokensWorkspaceClientCapabilities `json:"semanticTokens,omitempty"`
+	/**
+	 * Capabilities specific to the code lens requests scoped to the
+	 * workspace.
+	 *
+	 * @since 3.16.0.
+	 */
+	CodeLens CodeLensWorkspaceClientCapabilities `json:"codeLens,omitempty"`
+	/**
+	 * The client has support for file notifications/requests for user operations on files.
+	 *
+	 * Since 3.16.0
+	 */
+	FileOperations FileOperationClientCapabilities `json:"fileOperations,omitempty"`
 }
 
 /**
@@ -3950,6 +4548,15 @@
 	 * only plain `TextEdit`s using the `changes` property are supported.
 	 */
 	DocumentChanges []TextDocumentEdit/*TextDocumentEdit | CreateFile | RenameFile | DeleteFile*/ `json:"documentChanges,omitempty"`
+	/**
+	 * A map of change annotations that can be referenced in `AnnotatedTextEdit`s or create, rename and
+	 * delete file / folder operations.
+	 *
+	 * Whether clients honor this property depends on the client capability `workspace.changeAnnotationSupport`.
+	 *
+	 * @since 3.16.0
+	 */
+	ChangeAnnotations map[string]ChangeAnnotationIdentifier `json:"changeAnnotations,omitempty"`
 }
 
 type WorkspaceEditClientCapabilities struct {
@@ -3971,6 +4578,30 @@
 	 * @since 3.13.0
 	 */
 	FailureHandling FailureHandlingKind `json:"failureHandling,omitempty"`
+	/**
+	 * Whether the client normalizes line endings to the client specific
+	 * setting.
+	 * If set to `true` the client will normalize line ending characters
+	 * in a workspace edit containing to the client specific new line
+	 * character.
+	 *
+	 * @since 3.16.0
+	 */
+	NormalizesLineEndings bool `json:"normalizesLineEndings,omitempty"`
+	/**
+	 * Whether the client in general supports change annotations on text edits,
+	 * create file, rename file and delete file changes.
+	 *
+	 * @since 3.16.0
+	 */
+	ChangeAnnotationSupport struct {
+		/**
+		 * Whether the client groups edits with equal labels into tree nodes,
+		 * for instance all edits labelled with "Changes in Strings" would
+		 * be a tree node.
+		 */
+		GroupsOnLabel bool `json:"groupsOnLabel,omitempty"`
+	} `json:"changeAnnotationSupport,omitempty"`
 }
 
 type WorkspaceFolder struct {
@@ -4048,7 +4679,7 @@
 	 * The client supports tags on `SymbolInformation`.
 	 * Clients supporting tags have to handle unknown tags gracefully.
 	 *
-	 * @since 3.16.0 - proposed state
+	 * @since 3.16.0
 	 */
 	TagSupport struct {
 		/**
@@ -4267,7 +4898,7 @@
 	/**
 	 * If the workspace edit contains only textual file changes they are executed transactional.
 	 * If resource changes (create, rename or delete file) are part of the change the failure
-	 * handling startegy is abort.
+	 * handling strategy is abort.
 	 */
 
 	TextOnlyTransactional FailureHandlingKind = "textOnlyTransactional"
@@ -4293,6 +4924,16 @@
 
 	Deleted FileChangeType = 3
 	/**
+	 * The pattern matches a file only.
+	 */
+
+	FileOp FileOperationPatternKind = "file"
+	/**
+	 * The pattern matches a folder only.
+	 */
+
+	FolderOp FileOperationPatternKind = "folder"
+	/**
 	 * Folding range for a comment
 	 */
 	Comment FoldingRangeKind = "comment"
@@ -4329,6 +4970,28 @@
 
 	SnippetTextFormat InsertTextFormat = 2
 	/**
+	 * The insertion or replace strings is taken as it is. If the
+	 * value is multi line the lines below the cursor will be
+	 * inserted using the indentation defined in the string value.
+	 * The client will not apply any kind of adjustments to the
+	 * string.
+	 */
+
+	AsIs InsertTextMode = 1
+	/**
+	 * The editor adjusts leading whitespace of new lines so that
+	 * they match the indentation up to the cursor of the line for
+	 * which the item is accepted.
+	 *
+	 * Consider a line like this: <2tabs><cursor><3tabs>foo. Accepting a
+	 * multi line completion item is indented using 2 tabs and all
+	 * following lines inserted will be indented using 2 tabs as well.
+	 */
+
+	AdjustIndentation InsertTextMode = 2
+	INT_MIN_VALUE     Integer        = -2147483648
+	INT_MAX_VALUE     Integer        = 2147483647
+	/**
 	 * Plain text is supported as a content format
 	 */
 
@@ -4465,7 +5128,9 @@
 	 * send.
 	 */
 
-	Incremental TextDocumentSyncKind = 2
+	Incremental    TextDocumentSyncKind = 2
+	UINT_MIN_VALUE Uinteger             = 0
+	UINT_MAX_VALUE Uinteger             = 2147483647
 	/**
 	 * The moniker is only unique inside a document
 	 */
@@ -4526,7 +5191,7 @@
 	 * change notifications.
 	 *
 	 * If a strings is provided the string is treated as a ID
-	 * under which the notification is registed on the client
+	 * under which the notification is registered on the client
 	 * side. The ID can be used to unregister for these events
 	 * using the `client/unregisterCapability` request.
 	 */
diff --git a/internal/lsp/protocol/tsserver.go b/internal/lsp/protocol/tsserver.go
index c6db497..e021772 100644
--- a/internal/lsp/protocol/tsserver.go
+++ b/internal/lsp/protocol/tsserver.go
@@ -1,9 +1,13 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package protocol
 
 // Package protocol contains data types and code for LSP jsonrpcs
 // generated automatically from vscode-languageserver-node
-// commit: 901fd40345060d159f07d234bbc967966a929a34
-// last fetched Mon Oct 26 2020 09:10:42 GMT-0400 (Eastern Daylight Time)
+// commit: dae62de921d25964e8732411ca09e532dde992f5
+// last fetched Sat Jan 23 2021 16:14:55 GMT-0500 (Eastern Standard Time)
 
 // Code generated (see typescript/README.md) DO NOT EDIT.
 
@@ -18,6 +22,9 @@
 type Server interface {
 	DidChangeWorkspaceFolders(context.Context, *DidChangeWorkspaceFoldersParams) error
 	WorkDoneProgressCancel(context.Context, *WorkDoneProgressCancelParams) error
+	DidCreateFiles(context.Context, *CreateFilesParams) error
+	DidRenameFiles(context.Context, *RenameFilesParams) error
+	DidDeleteFiles(context.Context, *DeleteFilesParams) error
 	Initialized(context.Context, *InitializedParams) error
 	Exit(context.Context) error
 	DidChangeConfiguration(context.Context, *DidChangeConfigurationParams) error
@@ -43,6 +50,12 @@
 	SemanticTokensFullDelta(context.Context, *SemanticTokensDeltaParams) (interface{} /* SemanticTokens | SemanticTokensDelta | nil*/, error)
 	SemanticTokensRange(context.Context, *SemanticTokensRangeParams) (*SemanticTokens /*SemanticTokens | null*/, error)
 	SemanticTokensRefresh(context.Context) error
+	ShowDocument(context.Context, *ShowDocumentParams) (*ShowDocumentResult, error)
+	LinkedEditingRange(context.Context, *LinkedEditingRangeParams) (*LinkedEditingRanges /*LinkedEditingRanges | null*/, error)
+	WillCreateFiles(context.Context, *CreateFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error)
+	WillRenameFiles(context.Context, *RenameFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error)
+	WillDeleteFiles(context.Context, *DeleteFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error)
+	Moniker(context.Context, *MonikerParams) ([]Moniker /*Moniker[] | null*/, error)
 	Initialize(context.Context, *ParamInitialize) (*InitializeResult, error)
 	Shutdown(context.Context) error
 	WillSaveWaitUntil(context.Context, *WillSaveTextDocumentParams) ([]TextEdit /*TextEdit[] | null*/, error)
@@ -59,6 +72,7 @@
 	Symbol(context.Context, *WorkspaceSymbolParams) ([]SymbolInformation /*SymbolInformation[] | null*/, error)
 	CodeLens(context.Context, *CodeLensParams) ([]CodeLens /*CodeLens[] | null*/, error)
 	ResolveCodeLens(context.Context, *CodeLens) (*CodeLens, error)
+	CodeLensRefresh(context.Context) error
 	DocumentLink(context.Context, *DocumentLinkParams) ([]DocumentLink /*DocumentLink[] | null*/, error)
 	ResolveDocumentLink(context.Context, *DocumentLink) (*DocumentLink, error)
 	Formatting(context.Context, *DocumentFormattingParams) ([]TextEdit /*TextEdit[] | null*/, error)
@@ -67,7 +81,6 @@
 	Rename(context.Context, *RenameParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error)
 	PrepareRename(context.Context, *PrepareRenameParams) (*Range /*Range | { range: Range, placeholder: string } | { defaultBehavior: boolean } | null*/, error)
 	ExecuteCommand(context.Context, *ExecuteCommandParams) (interface{} /*any | null*/, error)
-	Moniker(context.Context, *MonikerParams) ([]Moniker /*Moniker[] | null*/, error)
 	NonstandardRequest(ctx context.Context, method string, params interface{}) (interface{}, error)
 }
 
@@ -87,6 +100,27 @@
 		}
 		err := server.WorkDoneProgressCancel(ctx, &params)
 		return true, reply(ctx, nil, err)
+	case "workspace/didCreateFiles": // notif
+		var params CreateFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		err := server.DidCreateFiles(ctx, &params)
+		return true, reply(ctx, nil, err)
+	case "workspace/didRenameFiles": // notif
+		var params RenameFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		err := server.DidRenameFiles(ctx, &params)
+		return true, reply(ctx, nil, err)
+	case "workspace/didDeleteFiles": // notif
+		var params DeleteFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		err := server.DidDeleteFiles(ctx, &params)
+		return true, reply(ctx, nil, err)
 	case "initialized": // notif
 		var params InitializedParams
 		if err := json.Unmarshal(r.Params(), &params); err != nil {
@@ -257,6 +291,48 @@
 		}
 		err := server.SemanticTokensRefresh(ctx)
 		return true, reply(ctx, nil, err)
+	case "window/showDocument": // req
+		var params ShowDocumentParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.ShowDocument(ctx, &params)
+		return true, reply(ctx, resp, err)
+	case "textDocument/linkedEditingRange": // req
+		var params LinkedEditingRangeParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.LinkedEditingRange(ctx, &params)
+		return true, reply(ctx, resp, err)
+	case "workspace/willCreateFiles": // req
+		var params CreateFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.WillCreateFiles(ctx, &params)
+		return true, reply(ctx, resp, err)
+	case "workspace/willRenameFiles": // req
+		var params RenameFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.WillRenameFiles(ctx, &params)
+		return true, reply(ctx, resp, err)
+	case "workspace/willDeleteFiles": // req
+		var params DeleteFilesParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.WillDeleteFiles(ctx, &params)
+		return true, reply(ctx, resp, err)
+	case "textDocument/moniker": // req
+		var params MonikerParams
+		if err := json.Unmarshal(r.Params(), &params); err != nil {
+			return true, sendParseError(ctx, reply, err)
+		}
+		resp, err := server.Moniker(ctx, &params)
+		return true, reply(ctx, resp, err)
 	case "initialize": // req
 		var params ParamInitialize
 		if err := json.Unmarshal(r.Params(), &params); err != nil {
@@ -368,6 +444,12 @@
 		}
 		resp, err := server.ResolveCodeLens(ctx, &params)
 		return true, reply(ctx, resp, err)
+	case "workspace/codeLens/refresh": // req
+		if len(r.Params()) > 0 {
+			return true, reply(ctx, nil, errors.Errorf("%w: expected no params", jsonrpc2.ErrInvalidParams))
+		}
+		err := server.CodeLensRefresh(ctx)
+		return true, reply(ctx, nil, err)
 	case "textDocument/documentLink": // req
 		var params DocumentLinkParams
 		if err := json.Unmarshal(r.Params(), &params); err != nil {
@@ -424,13 +506,6 @@
 		}
 		resp, err := server.ExecuteCommand(ctx, &params)
 		return true, reply(ctx, resp, err)
-	case "textDocument/moniker": // req
-		var params MonikerParams
-		if err := json.Unmarshal(r.Params(), &params); err != nil {
-			return true, sendParseError(ctx, reply, err)
-		}
-		resp, err := server.Moniker(ctx, &params)
-		return true, reply(ctx, resp, err)
 
 	default:
 		return false, nil
@@ -445,6 +520,18 @@
 	return s.Conn.Notify(ctx, "window/workDoneProgress/cancel", params)
 }
 
+func (s *serverDispatcher) DidCreateFiles(ctx context.Context, params *CreateFilesParams) error {
+	return s.Conn.Notify(ctx, "workspace/didCreateFiles", params)
+}
+
+func (s *serverDispatcher) DidRenameFiles(ctx context.Context, params *RenameFilesParams) error {
+	return s.Conn.Notify(ctx, "workspace/didRenameFiles", params)
+}
+
+func (s *serverDispatcher) DidDeleteFiles(ctx context.Context, params *DeleteFilesParams) error {
+	return s.Conn.Notify(ctx, "workspace/didDeleteFiles", params)
+}
+
 func (s *serverDispatcher) Initialized(ctx context.Context, params *InitializedParams) error {
 	return s.Conn.Notify(ctx, "initialized", params)
 }
@@ -596,6 +683,54 @@
 	return Call(ctx, s.Conn, "workspace/semanticTokens/refresh", nil, nil)
 }
 
+func (s *serverDispatcher) ShowDocument(ctx context.Context, params *ShowDocumentParams) (*ShowDocumentResult, error) {
+	var result *ShowDocumentResult
+	if err := Call(ctx, s.Conn, "window/showDocument", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (s *serverDispatcher) LinkedEditingRange(ctx context.Context, params *LinkedEditingRangeParams) (*LinkedEditingRanges /*LinkedEditingRanges | null*/, error) {
+	var result *LinkedEditingRanges /*LinkedEditingRanges | null*/
+	if err := Call(ctx, s.Conn, "textDocument/linkedEditingRange", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (s *serverDispatcher) WillCreateFiles(ctx context.Context, params *CreateFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error) {
+	var result *WorkspaceEdit /*WorkspaceEdit | null*/
+	if err := Call(ctx, s.Conn, "workspace/willCreateFiles", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (s *serverDispatcher) WillRenameFiles(ctx context.Context, params *RenameFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error) {
+	var result *WorkspaceEdit /*WorkspaceEdit | null*/
+	if err := Call(ctx, s.Conn, "workspace/willRenameFiles", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (s *serverDispatcher) WillDeleteFiles(ctx context.Context, params *DeleteFilesParams) (*WorkspaceEdit /*WorkspaceEdit | null*/, error) {
+	var result *WorkspaceEdit /*WorkspaceEdit | null*/
+	if err := Call(ctx, s.Conn, "workspace/willDeleteFiles", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (s *serverDispatcher) Moniker(ctx context.Context, params *MonikerParams) ([]Moniker /*Moniker[] | null*/, error) {
+	var result []Moniker /*Moniker[] | null*/
+	if err := Call(ctx, s.Conn, "textDocument/moniker", params, &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
 func (s *serverDispatcher) Initialize(ctx context.Context, params *ParamInitialize) (*InitializeResult, error) {
 	var result *InitializeResult
 	if err := Call(ctx, s.Conn, "initialize", params, &result); err != nil {
@@ -720,6 +855,10 @@
 	return result, nil
 }
 
+func (s *serverDispatcher) CodeLensRefresh(ctx context.Context) error {
+	return Call(ctx, s.Conn, "workspace/codeLens/refresh", nil, nil)
+}
+
 func (s *serverDispatcher) DocumentLink(ctx context.Context, params *DocumentLinkParams) ([]DocumentLink /*DocumentLink[] | null*/, error) {
 	var result []DocumentLink /*DocumentLink[] | null*/
 	if err := Call(ctx, s.Conn, "textDocument/documentLink", params, &result); err != nil {
@@ -784,14 +923,6 @@
 	return result, nil
 }
 
-func (s *serverDispatcher) Moniker(ctx context.Context, params *MonikerParams) ([]Moniker /*Moniker[] | null*/, error) {
-	var result []Moniker /*Moniker[] | null*/
-	if err := Call(ctx, s.Conn, "textDocument/moniker", params, &result); err != nil {
-		return nil, err
-	}
-	return result, nil
-}
-
 func (s *serverDispatcher) NonstandardRequest(ctx context.Context, method string, params interface{}) (interface{}, error) {
 	var result interface{}
 	if err := Call(ctx, s.Conn, method, params, &result); err != nil {
diff --git a/internal/lsp/semantic.go b/internal/lsp/semantic.go
index 2123f2f..7f168bc 100644
--- a/internal/lsp/semantic.go
+++ b/internal/lsp/semantic.go
@@ -43,7 +43,7 @@
 
 func (s *Server) computeSemanticTokens(ctx context.Context, td protocol.TextDocumentIdentifier, rng *protocol.Range) (*protocol.SemanticTokens, error) {
 	ans := protocol.SemanticTokens{
-		Data: []float64{},
+		Data: []uint32{},
 	}
 	snapshot, _, ok, release, err := s.beginFileRequest(ctx, td.URI, source.Go)
 	defer release()
@@ -157,15 +157,15 @@
 	e.add(lspRange.Start.Line, lspRange.Start.Character, length, typ, mods)
 }
 
-func (e *encoded) add(line, start float64, len float64, tok tokenType, mod []string) {
+func (e *encoded) add(line, start uint32, len uint32, tok tokenType, mod []string) {
 	x := semItem{line, start, len, tok, mod}
 	e.items = append(e.items, x)
 }
 
 // semItem represents a token found walking the parse tree
 type semItem struct {
-	line, start float64
-	len         float64
+	line, start uint32
+	len         uint32
 	typeStr     tokenType
 	mods        []string
 }
@@ -485,7 +485,7 @@
 	return nil
 }
 
-func (e *encoded) Data() ([]float64, error) {
+func (e *encoded) Data() ([]uint32, error) {
 	// binary operators, at least, will be out of order
 	sort.Slice(e.items, func(i, j int) bool {
 		if e.items[i].line != e.items[j].line {
@@ -496,7 +496,7 @@
 	typeMap, modMap := e.maps()
 	// each semantic token needs five values
 	// (see Integer Encoding for Tokens in the LSP spec)
-	x := make([]float64, 5*len(e.items))
+	x := make([]uint32, 5*len(e.items))
 	for i := 0; i < len(e.items); i++ {
 		j := 5 * i
 		if i == 0 {
@@ -509,12 +509,12 @@
 			x[j+1] = e.items[i].start - e.items[i-1].start
 		}
 		x[j+2] = e.items[i].len
-		x[j+3] = float64(typeMap[e.items[i].typeStr])
+		x[j+3] = uint32(typeMap[e.items[i].typeStr])
 		mask := 0
 		for _, s := range e.items[i].mods {
 			mask |= modMap[s]
 		}
-		x[j+4] = float64(mask)
+		x[j+4] = uint32(mask)
 	}
 	return x, nil
 }
diff --git a/internal/lsp/server_gen.go b/internal/lsp/server_gen.go
index 275c7c8..59ba823 100644
--- a/internal/lsp/server_gen.go
+++ b/internal/lsp/server_gen.go
@@ -20,6 +20,10 @@
 	return s.codeLens(ctx, params)
 }
 
+func (s *Server) CodeLensRefresh(context.Context) error {
+	return notImplemented("CodeLensRefresh")
+}
+
 func (s *Server) ColorPresentation(context.Context, *protocol.ColorPresentationParams) ([]protocol.ColorPresentation, error) {
 	return nil, notImplemented("ColorPresentation")
 }
@@ -56,10 +60,22 @@
 	return s.didClose(ctx, params)
 }
 
+func (s *Server) DidCreateFiles(context.Context, *protocol.CreateFilesParams) error {
+	return notImplemented("DidCreateFiles")
+}
+
+func (s *Server) DidDeleteFiles(context.Context, *protocol.DeleteFilesParams) error {
+	return notImplemented("DidDeleteFiles")
+}
+
 func (s *Server) DidOpen(ctx context.Context, params *protocol.DidOpenTextDocumentParams) error {
 	return s.didOpen(ctx, params)
 }
 
+func (s *Server) DidRenameFiles(context.Context, *protocol.RenameFilesParams) error {
+	return notImplemented("DidRenameFiles")
+}
+
 func (s *Server) DidSave(ctx context.Context, params *protocol.DidSaveTextDocumentParams) error {
 	return s.didSave(ctx, params)
 }
@@ -116,6 +132,10 @@
 	return s.initialized(ctx, params)
 }
 
+func (s *Server) LinkedEditingRange(context.Context, *protocol.LinkedEditingRangeParams) (*protocol.LinkedEditingRanges, error) {
+	return nil, notImplemented("LinkedEditingRange")
+}
+
 func (s *Server) LogTrace(context.Context, *protocol.LogTraceParams) error {
 	return notImplemented("LogTrace")
 }
@@ -196,6 +216,10 @@
 	return notImplemented("SetTrace")
 }
 
+func (s *Server) ShowDocument(context.Context, *protocol.ShowDocumentParams) (*protocol.ShowDocumentResult, error) {
+	return nil, notImplemented("ShowDocument")
+}
+
 func (s *Server) Shutdown(ctx context.Context) error {
 	return s.shutdown(ctx)
 }
@@ -212,6 +236,18 @@
 	return s.typeDefinition(ctx, params)
 }
 
+func (s *Server) WillCreateFiles(context.Context, *protocol.CreateFilesParams) (*protocol.WorkspaceEdit, error) {
+	return nil, notImplemented("WillCreateFiles")
+}
+
+func (s *Server) WillDeleteFiles(context.Context, *protocol.DeleteFilesParams) (*protocol.WorkspaceEdit, error) {
+	return nil, notImplemented("WillDeleteFiles")
+}
+
+func (s *Server) WillRenameFiles(context.Context, *protocol.RenameFilesParams) (*protocol.WorkspaceEdit, error) {
+	return nil, notImplemented("WillRenameFiles")
+}
+
 func (s *Server) WillSave(context.Context, *protocol.WillSaveTextDocumentParams) error {
 	return notImplemented("WillSave")
 }
diff --git a/internal/lsp/signature_help.go b/internal/lsp/signature_help.go
index 0e38b45..24dee1b 100644
--- a/internal/lsp/signature_help.go
+++ b/internal/lsp/signature_help.go
@@ -26,6 +26,6 @@
 	}
 	return &protocol.SignatureHelp{
 		Signatures:      []protocol.SignatureInformation{*info},
-		ActiveParameter: float64(activeParameter),
+		ActiveParameter: uint32(activeParameter),
 	}, nil
 }
diff --git a/internal/lsp/source/command.go b/internal/lsp/source/command.go
index f014e13..4a364b7 100644
--- a/internal/lsp/source/command.go
+++ b/internal/lsp/source/command.go
@@ -246,7 +246,7 @@
 			return nil, err
 		}
 		edits = append(edits, protocol.TextDocumentEdit{
-			TextDocument: protocol.VersionedTextDocumentIdentifier{
+			TextDocument: protocol.OptionalVersionedTextDocumentIdentifier{
 				Version: fh.Version(),
 				TextDocumentIdentifier: protocol.TextDocumentIdentifier{
 					URI: protocol.URIFromSpanURI(fh.URI()),
diff --git a/internal/lsp/source/source_test.go b/internal/lsp/source/source_test.go
index 5ad2ebc..deb6f6e 100644
--- a/internal/lsp/source/source_test.go
+++ b/internal/lsp/source/source_test.go
@@ -302,8 +302,8 @@
 	defer r.view.SetOptions(r.ctx, original)
 
 	list, surrounding, err := completion.Completion(r.ctx, r.snapshot, fh, protocol.Position{
-		Line:      float64(src.Start().Line() - 1),
-		Character: float64(src.Start().Column() - 1),
+		Line:      uint32(src.Start().Line() - 1),
+		Character: uint32(src.Start().Column() - 1),
 	}, protocol.CompletionContext{})
 	if err != nil && !errors.As(err, &completion.ErrIsDefinition{}) {
 		t.Fatalf("failed for %v: %v", src, err)
@@ -918,7 +918,7 @@
 	}
 	got := &protocol.SignatureHelp{
 		Signatures:      []protocol.SignatureInformation{*gotSignature},
-		ActiveParameter: float64(gotActiveParameter),
+		ActiveParameter: uint32(gotActiveParameter),
 	}
 	diff, err := tests.DiffSignatures(spn, want, got)
 	if err != nil {
diff --git a/internal/lsp/source/view.go b/internal/lsp/source/view.go
index 2e0b851..4eb3a59 100644
--- a/internal/lsp/source/view.go
+++ b/internal/lsp/source/view.go
@@ -344,7 +344,7 @@
 
 	// Version will be -1 and Text will be nil when they are not supplied,
 	// specifically on textDocument/didClose and for on-disk changes.
-	Version float64
+	Version int32
 	Text    []byte
 
 	// LanguageID is only sent from the language client on textDocument/didOpen.
@@ -431,7 +431,7 @@
 
 type VersionedFileHandle interface {
 	FileHandle
-	Version() float64
+	Version() int32
 	Session() string
 
 	// LSPIdentity returns the version identity of a file.
@@ -446,7 +446,7 @@
 
 	// Version is the version of the file, as specified by the client. It should
 	// only be set in combination with SessionID.
-	Version float64
+	Version int32
 }
 
 // FileHandle represents a handle to a specific version of a single file.
diff --git a/internal/lsp/tests/tests.go b/internal/lsp/tests/tests.go
index bc44f36..1680814 100644
--- a/internal/lsp/tests/tests.go
+++ b/internal/lsp/tests/tests.go
@@ -1258,7 +1258,7 @@
 				Label: signature,
 			},
 		},
-		ActiveParameter: float64(activeParam),
+		ActiveParameter: uint32(activeParam),
 	}
 	// Hardcode special case to test the lack of a signature.
 	if signature == "" && activeParam == 0 {
diff --git a/internal/lsp/text_synchronization.go b/internal/lsp/text_synchronization.go
index be77fec..27b53b8 100644
--- a/internal/lsp/text_synchronization.go
+++ b/internal/lsp/text_synchronization.go
@@ -178,9 +178,8 @@
 		return nil
 	}
 	c := source.FileModification{
-		URI:     uri,
-		Action:  source.Save,
-		Version: params.TextDocument.Version,
+		URI:    uri,
+		Action: source.Save,
 	}
 	if params.Text != nil {
 		c.Text = []byte(*params.Text)