ZCL_EXCEL_COLUMNS 1 E Ranges collection 2 1 X X X X ZCL_EXCEL_COLUMNS ADD E Adds an Element to the Collection ZCL_EXCEL_COLUMNS CLEAR E Initializes the Collection ZCL_EXCEL_COLUMNS CONSTRUCTOR E CONSTRUCTOR ZCL_EXCEL_COLUMNS GET E Gets Element ZCL_EXCEL_COLUMNS GET_ITERATOR E Returns an iterator ZCL_EXCEL_COLUMNS IS_EMPTY E Checks whether elements are contained ZCL_EXCEL_COLUMNS REMOVE E Deletes an Element from the Collection ZCL_EXCEL_COLUMNS SIZE E Specifies number of contained elements