/**
 * @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.io/license
 */
/// <amd-module name="@angular/language-service/api" />
/**
 * @module
 * @description
 * Entry point for all public APIs of the language service package.
 */
import * as ts from 'typescript';
export interface PluginConfig {
    /**
     * If true, return only Angular results. Otherwise, return Angular + TypeScript
     * results.
     */
    angularOnly: boolean;
    /**
     * If true, return factory function for Ivy LS during plugin initialization.
     * Otherwise return factory function for View Engine LS.
     */
    ivy: boolean;
    /**
     * If true, enable `strictTemplates` in Angular compiler options regardless
     * of its value in tsconfig.json.
     */
    forceStrictTemplates?: true;
}
export declare type GetTcbResponse = {
    /**
     * The filename of the SourceFile this typecheck block belongs to.
     * The filename is entirely opaque and unstable, useful only for debugging
     * purposes.
     */
    fileName: string;
    /** The content of the SourceFile this typecheck block belongs to. */
    content: string;
    /**
     * Spans over node(s) in the typecheck block corresponding to the
     * TS code generated for template node under the current cursor position.
     *
     * When the cursor position is over a source for which there is no generated
     * code, `selections` is empty.
     */
    selections: ts.TextSpan[];
};
export declare type GetComponentLocationsForTemplateResponse = ts.DocumentSpan[];
/**
 * `NgLanguageService` describes an instance of an Angular language service,
 * whose API surface is a strict superset of TypeScript's language service.
 */
export interface NgLanguageService extends ts.LanguageService {
    getTcb(fileName: string, position: number): GetTcbResponse | undefined;
    getComponentLocationsForTemplate(fileName: string): GetComponentLocationsForTemplateResponse;
}
export declare function isNgLanguageService(ls: ts.LanguageService | NgLanguageService): ls is NgLanguageService;