    /**
     * Apply manipulations from a type extension node.
     *
     * @param  \Nuwave\Lighthouse\Schema\AST\DocumentAST  $documentAST
     * @param  \GraphQL\Language\AST\TypeExtensionNode  $typeExtension
     * @return void
     */
    public function manipulateTypeExtension(DocumentAST &$documentAST, TypeExtensionNode &$typeExtension)
    {
        // TODO implement the type extension manipulator
    }
