does it contain the object ? concode_field_sep int multiSetSize concode_elem_sep Map<T,RefLong> map concode_field_sep void add concode_elem_sep void add concode_elem_sep void removeAll concode_elem_sep Iterator<T> iterator concode_elem_sep int size concode_elem_sep Iterator<T> iterator1 concode_elem_sep Iterator<T> elements concode_elem_sep boolean isEmpty concode_elem_sep void clear concode_elem_sep long count concode_elem_sep String toString concode_elem_sep RefLong _get concode_elem_sep void remove concode_elem_sep void remove
boolean function ( T arg0 ) { return map . containsKey ( arg0 ) ; }