public Builder mergeFrom(
        com.google.cloud.vision.v1p4beta1.AsyncBatchAnnotateFilesRequest other) {
      if (other
          == com.google.cloud.vision.v1p4beta1.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_);
          }
        }
      }
      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.v1p4beta1.AsyncBatchAnnotateFilesRequest}
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/AsyncBatchAnnotateFilesRequest.java