question: add an abstractinodediff for the given snapshot . concode_field_sep List<D> diffs concode_field_sep int getLastSnapshotId concode_elem_sep D getDiffById concode_elem_sep int[] changedBetweenSnapshots concode_elem_sep void clear concode_elem_sep int getSnapshotById concode_elem_sep int getPrior concode_elem_sep int getPrior concode_elem_sep D checkAndAddLatestSnapshotDiff concode_elem_sep D getLast concode_elem_sep List<D> asList concode_elem_sep A getSnapshotINode concode_elem_sep D addLast concode_elem_sep Iterator<D> iterator concode_elem_sep D createDiff concode_elem_sep D saveSelf2Snapshot concode_elem_sep A createSnapshotCopy concode_elem_sep String toString concode_elem_sep int updatePrior concode_elem_sep void deleteSnapshotDiff concode_elem_sep void addFirst
target: D function ( int arg0 , N arg1 ) { return addLast ( createDiff ( arg0 , arg1 ) ) ; }