public static ConfiguredKsqlPlan of(
      final KsqlPlan plan,
      final SessionConfig config
  ) {
    return new ConfiguredKsqlPlan(plan, config);
  }
@SuppressWarnings("UnstableApiUsage")
  @Test
  public void testEquality() {
    new EqualsTester()
        .addEqualityGroup(
            ConfiguredKsqlPlan.of(plan, config),
            ConfiguredKsqlPlan.of(plan, config)
        )
        .addEqualityGroup(ConfiguredKsqlPlan.of(plan2, config2))
        .testEquals();
  }