returns the set of keys with non-default values concode_field_sep long serialVersionUID concode_elem_sep Map<K,V> backingStore concode_elem_sep Class<K> keyclass concode_field_sep Object readResolve concode_elem_sep Set<java.util.Map.Entry<K,V>> entrySet concode_elem_sep boolean containsKey concode_elem_sep Collection<V> values concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep Object writeReplace concode_elem_sep boolean containsValue concode_elem_sep V put concode_elem_sep V remove concode_elem_sep int size concode_elem_sep V get concode_elem_sep void putAll concode_elem_sep SparseMap<K,V> of concode_elem_sep String toString concode_elem_sep String toString
Set < K > function ( ) { if ( keyclass . isEnum ( ) ) return new HashSet < K > ( Arrays . asList ( keyclass . getEnumConstants ( ) ) ) ; return backingStore . keySet ( ) ; }