protected static function is($__is, $__optional, $__never, $__in)
		{
			$__in = static::request($__in);
			if(FALSE === ($__is === ($__is & $__in)))
			{
				return FALSE;
			}
				
			foreach(ClsInf::constants(get_called_class()) as $k => $v)
			{
				foreach((array) $__never as $group)
					if($v === ($v & $group) && $v === ($v & $__in))
					{
						print __str::TAB.__str::TAB.'EXIT '.$k.PHP_EOL;
						return FALSE;
					}
				
				foreach((array) $__never as $group)
					if($v === ($v & $group) && $v === ($v & $__in))
					{
						print __str::TAB.__str::TAB.'OPTIONAL '.$k.PHP_EOL;
						return TRUE;
					}
				
			}
			
			return TRUE;
		}


		static function isObjectProperty($__request)
		{
			return static::is
			(
				self::T_PAIR, // always base with sub
				self::T_P1_VAR|self::T_P1_ALIAS|self::T_P2_VAR|self::T_P2_ALIAS, // valid is ($?($?)base with ($?($?)sub
				self::T_FUNC|self::T_STATIC, // never base::sub or base::sub()
				$__request
			);
		}

		static function isStaticProperty($__request)
		{
			return static::is
			(
				self::T_PAIR|self::T_STATIC, //  always base with sub, always base::sub
				self::T_P1_VAR|self::T_P1_ALIAS|self::T_P2_VAR|self::T_P2_ALIAS, // valid is ($?($?)base with ($?($?)sub
				self::T_FUNC, // never base::sub()
				$__request
			);
		}