private void ensureDetectedLanguagesIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          detectedLanguages_ =
              new java.util.ArrayList<
                  com.google.cloud.vision.v1p4beta1.TextAnnotation.DetectedLanguage>(
                  detectedLanguages_);
          bitField0_ |= 0x00000001;
        }
      }
<pre>
Additional information detected on the structural component.
</pre>

Protobuf type {@code google.cloud.vision.v1p4beta1.TextAnnotation.TextProperty}
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/TextAnnotation.java