@java.lang.Override
  public boolean hasCustomClass() {
    return ((bitField0_ & 0x00000001) != 0);
  }
<pre>
Required. The CustomClass to create.
</pre>

<code>
.google.cloud.speech.v2.CustomClass custom_class = 1 [(.google.api.field_behavior) = REQUIRED];
</code>

@return Whether the customClass field is set.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/CreateCustomClassRequest.java