code: public static <T1, T2> FluentFunctions.FluentBiFunction<T1, T2, Tuple2<T1, T2>> checkedExpression(final CheckedBiConsumer<T1, T2> action) {
          final BiConsumer<T1, T2> toUse = ExceptionSoftener.softenBiConsumer(action);
          return FluentFunctions.of((t1, t2) -> {
              toUse.accept(t1, t2);
              return Tuple.tuple(t1, t2);
          });
      }
docs: Convert a CheckedBiConsumer into a FluentBiConsumer that returns it's input in a tuple
  
  <pre>
  {@code
  public void printTwo(String input1,String input2) throws IOException{
  System.out.println(input1);
  System.out.println(input2);
  }
  
  FluentFunctions.checkedExpression(this::printTwo)
  .applyHKT("hello","world");
  
  returns Tuple2["hello","world"]
  }
  </pre>
  @param action
  @return