public static <V> P<V> without(final V... values) {
        final V[] v = null == values ? (V[]) new Object[] { null } : values;
        return P.without(Arrays.asList(v));
    }
Determines if a value is not within the specified list of values. If the array of arguments itself is {@code null}
then the argument is treated as {@code Object[1]} where that single value is {@code null}.

@since 3.0.0-incubating
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/P.java