public com.google.protobuf.ByteString getTextBytes() {
    java.lang.Object ref = "";
    if (inputSourceCase_ == 1) {
      ref = inputSource_;
    }
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      if (inputSourceCase_ == 1) {
        inputSource_ = b;
      }
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The raw text to be synthesized.
</pre>

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

@return The bytes for text.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java