ZCL_EXCEL_DATA_VALIDATIONS E Data validations collection 1 X X X ADD E Adds an Element to the Collection ADD I Adds an Element to the Collection CLEAR E Initializes the Collection CLEAR I Initializes the Collection CONSTRUCTOR E CONSTRUCTOR CONSTRUCTOR I CONSTRUCTOR GET_ITERATOR E Returns an iterator GET_ITERATOR I Returns an iterator IS_EMPTY E Checks whether elements are contained IS_EMPTY I Checks whether elements are contained REMOVE E Deletes an Element from the Collection REMOVE I Deletes an Element from the Collection SIZE E Specifies number of contained elements SIZE I Specifies number of contained elements