public boolean hasImageContext() {
      return ((bitField0_ & 0x00000004) != 0);
    }
<pre>
Additional context that may accompany the image(s) in the file.
</pre>

<code>.google.cloud.vision.v1.ImageContext image_context = 3;</code>

@return Whether the imageContext field is set.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AnnotateFileRequest.java