public Builder mergeFrom(com.google.protobuf.DescriptorProtos.ServiceOptions other) {
        if (other == getDefaultInstance()) return this;
        if (uninterpretedOptionBuilder_ == null) {
          if (!other.uninterpretedOption_.isEmpty()) {
            if (uninterpretedOption_.isEmpty()) {
              uninterpretedOption_ = other.uninterpretedOption_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureUninterpretedOptionIsMutable();
              uninterpretedOption_.addAll(other.uninterpretedOption_);
            }
            onChanged();
          }
        } else {
          if (!other.uninterpretedOption_.isEmpty()) {
            if (uninterpretedOptionBuilder_.isEmpty()) {
              uninterpretedOptionBuilder_.dispose();
              uninterpretedOptionBuilder_ = null;
              uninterpretedOption_ = other.uninterpretedOption_;
              bitField0_ = (bitField0_ & ~0x00000001);
              uninterpretedOptionBuilder_ = 
                alwaysUseFieldBuilders ?
                   getUninterpretedOptionFieldBuilder() : null;
            } else {
              uninterpretedOptionBuilder_.addAllMessages(other.uninterpretedOption_);
            }
          }
        }
        this.mergeExtensionFields(other);
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }