|  | // 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. | 
|  |  | 
|  | edition = "2023"; | 
|  |  | 
|  | package goproto.proto.messageset; | 
|  |  | 
|  | import "internal/testprotos/messageset/messagesetpb/message_set.proto"; | 
|  |  | 
|  | option go_package = "google.golang.org/protobuf/internal/testprotos/messageset/msetextpb"; | 
|  |  | 
|  | message Ext1 { | 
|  | extend MessageSet { | 
|  | Ext1 message_set_ext1 = 1000; | 
|  | } | 
|  | int32 ext1_field1 = 1; | 
|  | int32 ext1_field2 = 2; | 
|  | } | 
|  |  | 
|  | message Ext2 { | 
|  | extend MessageSet { | 
|  | Ext2 message_set_ext2 = 1001; | 
|  | } | 
|  | int32 ext2_field1 = 1; | 
|  | } | 
|  |  | 
|  | message ExtRequired { | 
|  | extend MessageSet { | 
|  | ExtRequired message_set_extrequired = 1002; | 
|  | } | 
|  | int32 required_field1 = 1 [features.field_presence = LEGACY_REQUIRED]; | 
|  | } | 
|  |  | 
|  | message ExtLargeNumber { | 
|  | extend MessageSet { | 
|  | ExtLargeNumber message_set_extlarge = 536870912;  // 1<<29 | 
|  | } | 
|  | } |