public static com.google.cloud.speech.v1p1beta1.ListCustomClassesRequest parseDelimitedFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }
<pre>
A page token, received from a previous `ListCustomClass` call.
Provide this to retrieve the subsequent page.

When paginating, all other parameters provided to `ListCustomClass` must
match the call that provided the page token.
</pre>

<code>string page_token = 3;</code>

@return The bytes for pageToken.
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/ListCustomClassesRequest.java