private void ensureHyponymsIsMutable() {
      if (!hyponyms_.isModifiable()) {
        hyponyms_ = new com.google.protobuf.LazyStringArrayList(hyponyms_);
      }
      bitField0_ |= 0x00000004;
    }
<pre>
Optional. The hypernym.
</pre>

<code>string hypernym = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

@param value The bytes for hypernym to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/SearchHypernym.java