public Builder clearCategoryEntities() {
      if (categoryEntitiesBuilder_ == null) {
        categoryEntities_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
      } else {
        categoryEntitiesBuilder_.clear();
      }
      return this;
    }
<pre>
Common categories for the detected entity.
E.g. when the label is `Terrier` the category is likely `dog`. And in some
cases there might be more than one categories e.g. `Terrier` could also be
a `pet`.
</pre>

<code>repeated .google.cloud.videointelligence.v1beta2.Entity category_entities = 2;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/LabelAnnotation.java