/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
import { Attribute, Block, BlockParameter, Comment, Element, Expansion, ExpansionCase, LetDeclaration, Text, Visitor } from '@angular/compiler';
/**
 * A simple base class for the  `Visitor` interface, which is a noop for every method.
 *
 * Sub-classes only need to override the methods that they care about.
 */
export declare class BaseVisitor implements Visitor {
    visitElement(_element: Element, _context: any): any;
    visitAttribute(_attribute: Attribute, _context: any): any;
    visitText(_text: Text, _context: any): any;
    visitComment(_comment: Comment, _context: any): any;
    visitExpansion(_expansion: Expansion, _context: any): any;
    visitExpansionCase(_expansionCase: ExpansionCase, _context: any): any;
    visitBlock(_block: Block, _context: any): void;
    visitBlockParameter(_parameter: BlockParameter, _context: any): void;
    visitLetDeclaration(_decl: LetDeclaration, _context: any): void;
}