public Builder mergeSourceCodeInfo(com.google.protobuf.DescriptorProtos.SourceCodeInfo value) {
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            sourceCodeInfo_ =
              com.google.protobuf.DescriptorProtos.SourceCodeInfo.newBuilder(sourceCodeInfo_).mergeFrom(value).buildPartial();
          } else {
            sourceCodeInfo_ = value;
          }
          onChanged();
        } else {
          sourceCodeInfoBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000400;
        return this;
      }