/**
 * @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
 */
import { LiveAnnouncer } from '@angular/cdk/a11y';
import { BreakpointObserver } from '@angular/cdk/layout';
import { Overlay } from '@angular/cdk/overlay';
import { ComponentType } from '@angular/cdk/portal';
import { EmbeddedViewRef, InjectionToken, Injector, TemplateRef, OnDestroy } from '@angular/core';
import { SCToastRef, SCToastAction } from './sc-toast-ref';
import { SCSimpleToast } from './sc-toast.component';
import { SCToastConfig } from './sc-toast-config';
import * as i0 from "@angular/core";
/** Injection token that can be used to specify default snack bar. */
export declare const MAT_SNACK_BAR_DEFAULT_OPTIONS: InjectionToken<SCToastConfig<any>>;
/** @docs-private */
export declare function MAT_SNACK_BAR_DEFAULT_OPTIONS_FACTORY(): SCToastConfig;
/**
 * Service to dispatch SCerial Design snack bar messages.
 */
export declare class SCToastService implements OnDestroy {
    private _overlay;
    private _live;
    private _injector;
    private _breakpointObserver;
    private _parentToastService;
    private _defaultConfig;
    /**
     * Reference to the current snack bar in the view *at this level* (in the Angular injector tree).
     * If there is a parent snack-bar service, all operations should delegate to that parent
     * via `_openedToastRef`.
     */
    private _toastRefsAtThisLevel;
    defaultMargin: number;
    isHovering: boolean;
    /** Reference to the currently opened snackbar at *any* level. */
    get _openedToastRefs(): SCToastRef<any>[] | null;
    set _openedToastRefs(value: SCToastRef<any>[] | null);
    constructor(_overlay: Overlay, _live: LiveAnnouncer, _injector: Injector, _breakpointObserver: BreakpointObserver, _parentToastService: SCToastService, _defaultConfig: SCToastConfig);
    /**
     * Creates and dispatches a snack bar with a custom component for the content, removing any
     * currently opened snack bars.
     *
     * @param component Component to be instantiated.
     * @param config Extra configuration for the snack bar.
     */
    openFromComponent<T>(component: ComponentType<T>, config?: SCToastConfig): SCToastRef<T>;
    /**
     * Creates and dispatches a snack bar with a custom template for the content, removing any
     * currently opened snack bars.
     *
     * @param template Template to be instantiated.
     * @param config Extra configuration for the snack bar.
     */
    openFromTemplate(template: TemplateRef<any>, config?: SCToastConfig): SCToastRef<EmbeddedViewRef<any>>;
    /**
     * Opens a snackbar with a message and an optional action.
     * @param message The message to show in the snackbar.
     * @param action The label for the snackbar action.
     * @param config Additional configuration options for the snackbar.
     */
    open(message: string, actions?: SCToastAction[], config?: SCToastConfig, index?: string, closeOthersOnIndex?: boolean): SCToastRef<SCSimpleToast>;
    /**
     * Dismisses the currently-visible snack bar.
     */
    dismiss(): void;
    ngOnDestroy(): void;
    /**
     * Attaches the snack bar container component to the overlay.
     */
    private _attachToastContainer;
    /**
     * Places a new component or a template as the content of the snack bar container.
     */
    private _attach;
    /** Animates the old snack bar out and the new one in. */
    private _animateToast;
    /**
     * Creates a new overlay and places it in the correct location.
     * @param config The user-specified snack bar config.
     */
    private _createOverlay;
    /**
     * Creates an injector to be used inside of a snack bar component.
     * @param config Config that was used to create the snack bar.
     * @param toastRef Reference to the snack bar.
     */
    private _createInjector;
    calculateToastPositions(): void;
    handleMouseLeave(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SCToastService, [null, null, null, null, { optional: true; skipSelf: true; }, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SCToastService>;
}