@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (streamingConfigBuilder_ != null) {
        streamingConfigBuilder_.clear();
      }
      if (inputBuilder_ != null) {
        inputBuilder_.clear();
      }
      streamingRequestCase_ = 0;
      streamingRequest_ = null;
      return this;
    }
<pre>
Request message for the `StreamingSynthesize` method. Multiple
`StreamingSynthesizeRequest` messages are sent in one call.
The first message must contain a `streaming_config` that
fully specifies the request configuration and must not contain `input`. All
subsequent messages must only have `input` set.
</pre>

Protobuf type {@code google.cloud.texttospeech.v1beta1.StreamingSynthesizeRequest}
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeRequest.java