public com.google.cloud.speech.v1p1beta1.CustomClassOrBuilder getCustomClassesOrBuilder(
        int index) {
      if (customClassesBuilder_ == null) {
        return customClasses_.get(index);
      } else {
        return customClassesBuilder_.getMessageOrBuilder(index);
      }
    }
<pre>
The custom classes.
</pre>

<code>repeated .google.cloud.speech.v1p1beta1.CustomClass custom_classes = 1;</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/ListCustomClassesResponse.java