public Builder mergeFrom(com.google.cloud.translate.v3.BatchTranslateTextRequest other) {
      if (other == com.google.cloud.translate.v3.BatchTranslateTextRequest.getDefaultInstance())
        return this;
      if (!other.getParent().isEmpty()) {
        parent_ = other.parent_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (!other.getSourceLanguageCode().isEmpty()) {
        sourceLanguageCode_ = other.sourceLanguageCode_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      if (!other.targetLanguageCodes_.isEmpty()) {
        if (targetLanguageCodes_.isEmpty()) {
          targetLanguageCodes_ = other.targetLanguageCodes_;
          bitField0_ |= 0x00000004;
        } else {
          ensureTargetLanguageCodesIsMutable();
          targetLanguageCodes_.addAll(other.targetLanguageCodes_);
        }
        onChanged();
      }
      internalGetMutableModels().mergeFrom(other.internalGetModels());
      bitField0_ |= 0x00000008;
      if (inputConfigsBuilder_ == null) {
        if (!other.inputConfigs_.isEmpty()) {
          if (inputConfigs_.isEmpty()) {
            inputConfigs_ = other.inputConfigs_;
            bitField0_ = (bitField0_ & ~0x00000010);
          } else {
            ensureInputConfigsIsMutable();
            inputConfigs_.addAll(other.inputConfigs_);
          }
          onChanged();
        }
      } else {
        if (!other.inputConfigs_.isEmpty()) {
          if (inputConfigsBuilder_.isEmpty()) {
            inputConfigsBuilder_.dispose();
            inputConfigsBuilder_ = null;
            inputConfigs_ = other.inputConfigs_;
            bitField0_ = (bitField0_ & ~0x00000010);
            inputConfigsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getInputConfigsFieldBuilder()
                    : null;
          } else {
            inputConfigsBuilder_.addAllMessages(other.inputConfigs_);
          }
        }
      }
      if (other.hasOutputConfig()) {
        mergeOutputConfig(other.getOutputConfig());
      }
      internalGetMutableGlossaries().mergeFrom(other.internalGetGlossaries());
      bitField0_ |= 0x00000040;
      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
      bitField0_ |= 0x00000080;
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
The batch translation request.
</pre>

Protobuf type {@code google.cloud.translation.v3.BatchTranslateTextRequest}
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/BatchTranslateTextRequest.java