@java.lang.Override
    public boolean hasText() {
      return inputSourceCase_ == 1;
    }
<pre>
The raw text to be synthesized.
</pre>

<code>string text = 1;</code>

@return Whether the text field is set.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java