protobuf/js/compatibility_tests/v3.0.0/test2.proto

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syntax = "proto2";

option java_package = "com.google.apps.jspb.proto";
option java_multiple_files = true;

package jspb.test;

message TestExtensionsMessage {
  optional int32 intfield = 1;
  extensions 100 to max;
}

message ExtensionMessage {
  extend TestExtensionsMessage {
    optional ExtensionMessage ext_field = 100;
  }
  optional string ext1 = 1;
}

// Floating extensions are only supported when generating a _lib.js library.
extend TestExtensionsMessage {
  optional ExtensionMessage floating_msg_field = 101;
  optional string floating_str_field = 102;
}