public com.google.cloud.vision.v1p4beta1.ImageAnnotationContextOrBuilder getContextOrBuilder() {
      if (contextBuilder_ != null) {
        return contextBuilder_.getMessageOrBuilder();
      } else {
        return context_ == null
            ? com.google.cloud.vision.v1p4beta1.ImageAnnotationContext.getDefaultInstance()
            : context_;
      }
    }
<pre>
If present, contextual information is needed to understand where this image
comes from.
</pre>

<code>.google.cloud.vision.v1p4beta1.ImageAnnotationContext context = 21;</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/AnnotateImageResponse.java