public static <A, B> LambdaMap<A, B> wrap(Map<A, B> map) {
        return new LambdaMap<>(map);
    }
public static < A , B > LambdaMap < A , B > wrap ( Map < A , B > map ) { return new LambdaMap < > ( map ) ; }
Wrap a {@link Map} in a {@link LambdaMap}.

@param map the {@link Map}
@param <A> the key type
@param <B> the value type
@return the {@link Map} wrapped in a {@link LambdaMap}