@java.lang.Override
    public com.google.protobuf.ByteString getTextBytes() {
      java.lang.Object ref = "";
      if (dataCase_ == 1) {
        ref = data_;
      }
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (dataCase_ == 1) {
          data_ = b;
        }
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Optional. Text part (can be code).
</pre>

<code>string text = 1 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for text.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java