public Builder mergeFrom(com.google.cloud.vision.v1.AsyncBatchAnnotateFilesRequest other) {
      if (other == com.google.cloud.vision.v1.AsyncBatchAnnotateFilesRequest.getDefaultInstance())
        return this;
      if (requestsBuilder_ == null) {
        if (!other.requests_.isEmpty()) {
          if (requests_.isEmpty()) {
            requests_ = other.requests_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureRequestsIsMutable();
            requests_.addAll(other.requests_);
          }
          onChanged();
        }
      } else {
        if (!other.requests_.isEmpty()) {
          if (requestsBuilder_.isEmpty()) {
            requestsBuilder_.dispose();
            requestsBuilder_ = null;
            requests_ = other.requests_;
            bitField0_ = (bitField0_ & ~0x00000001);
            requestsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getRequestsFieldBuilder()
                    : null;
          } else {
            requestsBuilder_.addAllMessages(other.requests_);
          }
        }
      }
      if (!other.getParent().isEmpty()) {
        parent_ = other.parent_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
      bitField0_ |= 0x00000004;
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Multiple async file annotation requests are batched into a single service
call.
</pre>

Protobuf type {@code google.cloud.vision.v1.AsyncBatchAnnotateFilesRequest}
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java