public static function getOuterShapes()
    {
        if (self::$outerShapes === null) {
            self::$outerShapes = self::createOuterShapes();
        }
        return self::$outerShapes;
    }
public static function getOuterShapes()
    {
        if (self::$outerShapes === null) {
            self::$outerShapes = self::createOuterShapes();
        }
        return self::$outerShapes;
    }
public static function getOuterShapes ( ) { if ( self :: $ outerShapes === null ) { self :: $ outerShapes = self :: createOuterShapes ( ) ; } return self :: $ outerShapes ; }
Gets an array of all possible outer shapes. Do not modify the returned
array.

@return array(\Jdenticon\Rendering\Shape)
Gets an array of all possible outer shapes . Do not modify the returned array .