code: @Nonnull
    @Nonempty
    public static String getCheckBoxHiddenFieldName (@Nonnull @Nonempty final String sFieldName)
    {
      ValueEnforcer.notEmpty (sFieldName, "FieldName");
      return DEFAULT_CHECKBOX_HIDDEN_FIELD_PREFIX + sFieldName;
    }
docs: Get the name of the automatic hidden field associated with a check-box.
  
  @param sFieldName
  The name of the check-box.
  @return The name of the hidden field associated with the given check-box
  name.