private void ensureLanguageHintsIsMutable() {
      if (!languageHints_.isModifiable()) {
        languageHints_ = new com.google.protobuf.LazyStringArrayList(languageHints_);
      }
      bitField0_ |= 0x00000001;
    }
<pre>
Config for TEXT_DETECTION.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1p3beta1.TextDetectionConfig}
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/TextDetectionConfig.java