public Builder mergeFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
          com.google.protobuf.DescriptorProtos.UninterpretedOption.NamePart parsedMessage = null;
          try {
            parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            parsedMessage = (com.google.protobuf.DescriptorProtos.UninterpretedOption.NamePart) e.getUnfinishedMessage();
            throw e;
          } finally {
            if (parsedMessage != null) {
              mergeFrom(parsedMessage);
            }
          }
          return this;
        }