@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(hypernym_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, hypernym_);
    }
    for (int i = 0; i < hyponyms_.size(); i++) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, hyponyms_.getRaw(i));
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Optional. Hyponyms that the hypernym is mapped to.
</pre>

<code>repeated string hyponyms = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@param index The index of the value to return.
@return The bytes of the hyponyms at the given index.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/SearchHypernym.java