public static function IsAbsolute( string $path, bool $dependToOS = true ) : bool
   {
      if ( \is_null( $path ) || \strlen( $path ) < 1 )
      {
         return false;
      }
      if ( $dependToOS )
      {
         if ( ! \IS_WIN )
         {
            return $path[ 0 ] == '/';
         }
         if ( \strlen( $path ) < 2 )
         {
            return false;
         }
         return $path[ 1 ] == ':' || ( $path[ 0 ] == '\\' && $path[ 1 ] == '\\' );
      }
      return $path[ 0 ] == '/' || $path[ 1 ] == ':' || ( $path[ 0 ] == '\\' && $path[ 1 ] == '\\' );
   }