@Override
    public Properties getDisallowedCredentials(final OperationCode[] opCodes,
        final String[] regionNames, final int[] keyIndices, final int num) {
      return authzGen.getDisallowedCredentials(opCodes, regionNames, num);
    }
Contains a {@link AuthzCredentialGenerator} and implements the {@link TestCredentialGenerator}
interface.

@since GemFire 5.5
geode-dunit/src/main/java/org/apache/geode/security/ClientAuthorizationTestCase.java