public static <A, B> Map<A, B> getNullableMap(final List list, final Integer... path) {
        return getNullable(list, Map.class, path);
    }
public static < A , B > Map < A , B > getNullableMap ( final List list , final Integer ... path ) { return getNullable ( list , Map . class , path ) ; }
Get map value by path.
@param <A> map key type
@param <B> map value type
@param list subject
@param path nodes to walk in map
@return value