-- mypkg.go --
package mypkg

// TopLevelFunc is a non-type top-level declaration.
func TopLevelFunc() {}

// TopLevelVar is another non-type declaration.
var TopLevelVar = 1

// EmptyInterface is an empty interface without methods.
type EmptyInterface interface{}

// ExportedInterface has documented methods.
type ExportedInterface interface {
	// DocumentedMethod is documented.
	DocumentedMethod(x int) string

	UndocumentedMethod() error // UndocumentedMethod has trailing line comment

	NoDocMethod() bool

	NoDocMethod2(s string) int

	unexportedMethod()

	unexportedInterface2

	int | bool
}

type unexportedInterface interface {
	// MethodInUnexportedInterface is in an unexported interface.
	MethodInUnexportedInterface()
}

type unexportedInterface2 interface {
	// MethodInUnexportedInterface2 is in an unexported interface.
	MethodInUnexportedInterface2(int) bool
}

// MyConcreteType is a concrete type.
type MyConcreteType struct{}

// DocumentedMethod implements ExportedInterface.DocumentedMethod (without doc).

func (MyConcreteType) DocumentedMethod(x int) string { return "" }

// NoDocMethod implements ExportedInterface.NoDocMethod (without doc).
func (MyConcreteType) NoDocMethod() bool { return false }

func (MyConcreteType) NoDocMethod2(s string) int { return 0 }