private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1p4beta1.AnnotateImageRequest,
            com.google.cloud.vision.v1p4beta1.AnnotateImageRequest.Builder,
            com.google.cloud.vision.v1p4beta1.AnnotateImageRequestOrBuilder>
        getRequestsFieldBuilder() {
      if (requestsBuilder_ == null) {
        requestsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1p4beta1.AnnotateImageRequest,
                com.google.cloud.vision.v1p4beta1.AnnotateImageRequest.Builder,
                com.google.cloud.vision.v1p4beta1.AnnotateImageRequestOrBuilder>(
                requests_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        requests_ = null;
      }
      return requestsBuilder_;
    }
<pre>
Required. Individual image annotation requests for this batch.
</pre>

<code>
repeated .google.cloud.vision.v1p4beta1.AnnotateImageRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/AsyncBatchAnnotateImagesRequest.java