check if this map contains a key . concode_field_sep Map<L,Set<R>> lToRMappings concode_elem_sep Map<R,Set<L>> rToLMappings concode_field_sep void add concode_elem_sep Iterator<R> rightIterator concode_elem_sep boolean isEmpty concode_elem_sep void clear concode_elem_sep Set<L> removeAllMappingsForRight concode_elem_sep boolean remove concode_elem_sep int numberOfmappingsForRight concode_elem_sep Set<R> removeAllMappingsForLeft concode_elem_sep Set<R> getRight concode_elem_sep int size concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep int numberOfmappingsForLeft concode_elem_sep boolean containsRight concode_elem_sep String toString concode_elem_sep Iterator<L> leftIterator concode_elem_sep Set<L> getLeft
boolean function ( L arg0 ) { return lToRMappings . containsKey ( arg0 ) ; }