public static function isNotEqual(
        EqualityInterface $first = null,
        EqualityInterface $second = null
    ) {
        return false === self::isEqual($first, $second);
    }
public static function isNotEqual(
        EqualityInterface $first = null,
        EqualityInterface $second = null
    ) {
        return false === self::isEqual($first, $second);
    }
public static function isNotEqual ( EqualityInterface $ first = null , EqualityInterface $ second = null ) { return false === self :: isEqual ( $ first , $ second ) ; }
Indicates whether the two specified objects are not "equal".

@param EqualityInterface|null $first  The first reference object with
which to compare.
@param EqualityInterface|null $second The second reference object with
which to compare.

@return bool `true` if the two specified objects are not the same;
`false` otherwise.
Indicates whether the two specified objects are not equal .