anchor.diff:      ls_option-value = iv_value.
   
       APPEND ls_option TO <ls_last>-subitems.
  +
  +    ro_self = me.
   
     ENDMETHOD.
   
  
positive.code:         iv_required    TYPE abap_bool DEFAULT abap_false
          iv_upper_case  TYPE abap_bool DEFAULT abap_false
          iv_placeholder TYPE string OPTIONAL
          iv_side_action TYPE string OPTIONAL.
  
      METHODS checkbox
        IMPORTING
          iv_label TYPE string
          iv_name  TYPE string
          iv_hint  TYPE string OPTIONAL.
  
      METHODS radio
        IMPORTING
          iv_label         TYPE string
          iv_name          TYPE string
          iv_default_value TYPE string OPTIONAL
          iv_hint          TYPE string OPTIONAL.
  
      METHODS option
        IMPORTING
          iv_label TYPE string
          iv_value TYPE string.
  
      METHODS start_group
        IMPORTING
          iv_label TYPE string
          iv_name  TYPE string
          iv_hint  TYPE string OPTIONAL.
  
      METHODS validate_normalize_form_data
        IMPORTING
  
negative.code: 
      APPEND ls_field TO mt_fields.
  
      ro_self = me.
  
    ENDMETHOD.
  
  
  