public com.google.cloud.vision.v1p3beta1.Block.Builder getBlocksBuilder(int index) {
      return getBlocksFieldBuilder().getBuilder(index);
    }
<pre>
List of blocks of text, images etc on this page.
</pre>

<code>repeated .google.cloud.vision.v1p3beta1.Block blocks = 4;</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/Page.java