public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
        deleteCustomClass(com.google.cloud.speech.v2.DeleteCustomClassRequest request) {
      return io.grpc.stub.ClientCalls.futureUnaryCall(
          getChannel().newCall(getDeleteCustomClassMethod(), getCallOptions()), request);
    }
<pre>
Deletes the [CustomClass][google.cloud.speech.v2.CustomClass].
</pre>
java-speech/grpc-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/SpeechGrpc.java