question: get the number of operation #delete delete records that were #accept sourcerecord added to this object . concode_field_sep AtomicLong EMPTY concode_elem_sep AtomicLong tombstones concode_elem_sep EnumMap<Operation,AtomicLong> statsByOperation concode_field_sep long numberOfReads concode_elem_sep SourceRecordStats reset concode_elem_sep String toString concode_elem_sep long numberOfCreates concode_elem_sep long numberOfTombstones concode_elem_sep long numberOfUpdates concode_elem_sep void accept concode_elem_sep long numberOf
target: long function ( ) { return numberOf ( Operation . DELETE ) ; }