code: @Nonnull
  	public <V extends T> LObjIntCharFunctionBuilder<T, R> casesOf(Class<V> argC1, Consumer<LObjIntCharFunctionBuilder<V, R>> pcpConsumer) {
  		PartialCaseWithProduct.The pc = partialCaseFactoryMethod((a1, a2, a3) -> (argC1 == null || argC1.isInstance(a1)));
  
  		pc.specifySubCases((Consumer) pcpConsumer);
  		return self();
  	}
docs: Allows to specify additional cases for a specific type of generic arguments (matched by instanceOf). Null classes can be provided in case of arguments that do not matter.