REFERENCE(WEBDYNP_NAVIGATOR) TYPE REF TO CL_DB6_TREE_NAVIGATOR OPTIONAL
REFERENCE(GLOBAL_NAV_REF) TYPE REF TO CL_DB6_TREE_NAVIGATOR
REFERENCE(SET_NAV_REF) TYPE REF TO CL_DB6_TREE_NAVIGATOR OPTIONAL
REFERENCE(NAV_REF) TYPE REF TO CL_DB6_TREE_NAVIGATOR OPTIONAL