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syntax = "proto2";

package upb_util_test;

message EmptyMessage {}

message HasRequiredField {
  required int32 required_int32 = 1;
}

message TestRequiredFields {
  required EmptyMessage required_message = 1;
  optional TestRequiredFields optional_message = 2;
  repeated HasRequiredField repeated_message = 3;
  map<int32, HasRequiredField> map_int32_message = 4;
  map<int64, HasRequiredField> map_int64_message = 5;
  map<uint32, HasRequiredField> map_uint32_message = 6;
  map<uint64, HasRequiredField> map_uint64_message = 7;
  map<bool, HasRequiredField> map_bool_message = 8;
  map<string, HasRequiredField> map_string_message = 9;
}