code: public function convert($modifiers)
      {
          return ($modifiers & Stmt\Class_::MODIFIER_PUBLIC    ? 'public '    : '')
                .($modifiers & Stmt\Class_::MODIFIER_PROTECTED ? 'protected ' : '')
                .($modifiers & Stmt\Class_::MODIFIER_PRIVATE   ? 'protected ' : '') // due to #issues/251
                .($modifiers & Stmt\Class_::MODIFIER_STATIC    ? 'static '    : '')
                .($modifiers & Stmt\Class_::MODIFIER_ABSTRACT  ? 'abstract '  : '')
                .($modifiers & Stmt\Class_::MODIFIER_FINAL     ? 'final '     : '');
      }
docs: @param int $modifiers
  
  @return string