public Builder addAllEnableTimePointing(
        java.lang.Iterable<
                ? extends
                    com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType>
            values) {
      ensureEnableTimePointingIsMutable();
      for (com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType value :
          values) {
        enableTimePointing_.add(value.getNumber());
      }
      onChanged();
      return this;
    }
<pre>
Whether and what timepoints are returned in the response.
</pre>

<code>
repeated .google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType enable_time_pointing = 4;
</code>

@param values The enableTimePointing to add.
@return This builder for chaining.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequest.java