public com.google.cloud.videointelligence.v1.TextAnnotation.Builder addTextAnnotationsBuilder(
        int index) {
      return getTextAnnotationsFieldBuilder()
          .addBuilder(
              index, com.google.cloud.videointelligence.v1.TextAnnotation.getDefaultInstance());
    }
<pre>
OCR text detection and tracking.
Annotations for list of detected text snippets. Each will have list of
frame information associated with it.
</pre>

<code>repeated .google.cloud.videointelligence.v1.TextAnnotation text_annotations = 12;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/VideoAnnotationResults.java