docs: @Nonnull
  	public <V extends T> LObjBiIntPredicateBuilder<T> casesOf(Class<V> argC1, Consumer<LObjBiIntPredicateBuilder<V>> pcpConsumer) {
  		PartialCaseWithBoolProduct.The pc = partialCaseFactoryMethod((a1, a2, a3) -> (argC1 == null || argC1.isInstance(a1)));
  
  		pc.specifySubCases((Consumer) pcpConsumer);
  		return self();
  	}