@java.lang.Override
  public com.google.protobuf.ByteString getPageTokenBytes() {
    java.lang.Object ref = pageToken_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      pageToken_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Optional. The standard list page token.
Typically obtained via
[ListEndpointsResponse.next_page_token][google.cloud.aiplatform.v1.ListEndpointsResponse.next_page_token]
of the previous
[EndpointService.ListEndpoints][google.cloud.aiplatform.v1.EndpointService.ListEndpoints]
call.
</pre>

<code>string page_token = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for pageToken.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java