public Builder removeRequests(int index) {
      if (requestsBuilder_ == null) {
        ensureRequestsIsMutable();
        requests_.remove(index);
        onChanged();
      } else {
        requestsBuilder_.remove(index);
      }
      return this;
    }
<pre>
Required. Individual async file annotation requests for this batch.
</pre>

<code>
repeated .google.cloud.vision.v1.AsyncAnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateFilesRequest.java