code: public FormInputHandler stepMode(final StepMode theStepMode) {
  		Fields fields = new Fields(this);
  		fields.stepMode = theStepMode;
  		return new FormInputHandler(fields);
  	}
docs: Creates a new {@link FormInputHandler} based on this {@link FormInputHandler} using the specifed {@link StepMode}.
  
  @param theStepMode
  the step mode to use; defaults to {@link StepMode#SET_VALUE} if not specified
  @return the new {@link FormInputHandler} instance