FormattingMode is an alias to the type of an int‐valued bdlat_FormattingMode bit‐field. A FormattingMode value is not valid unless it is equal to an enumerator of bdlat_FormattingMode or a valid bitwise‐or of two or more such enumerators. See the component‐level documentation of {`bdlat_formattingmode`} for a description of the set of valid formatting‐mode values.