public com.google.protobuf.ByteString getNextPageTokenBytes() {
      java.lang.Object ref = nextPageToken_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        nextPageToken_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Token to retrieve the next page of results, or empty if there are no
more results in the list.
</pre>

<code>string next_page_token = 2;</code>

@return The bytes for nextPageToken.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/ListScanConfigsResponse.java