public java.lang.String getTrailingComments() {
          java.lang.Object ref = trailingComments_;
          if (!(ref instanceof java.lang.String)) {
            java.lang.String s = ((com.google.protobuf.ByteString) ref)
                .toStringUtf8();
            trailingComments_ = s;
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }