import { Emitter, Event } from "../../../base/common/event.js";
import { Disposable } from "../../../base/common/lifecycle.js";
import { AccessibilitySupport } from "../common/accessibility.js";
import { IAccessibilityService } from "../common/accessibility.service.js";
import { IConfigurationService } from "../../configuration/common/configuration.service.js";
import { IContextKeyService } from "../../contextkey/common/contextkey.service.js";
import { ILayoutService } from "../../layout/browser/layoutService.service.js";
export declare class AccessibilityService extends Disposable implements IAccessibilityService {
    private readonly _contextKeyService;
    private readonly _layoutService;
    protected readonly _configurationService: IConfigurationService;
    readonly _serviceBrand: undefined;
    private _accessibilityModeEnabledContext;
    protected _accessibilitySupport: AccessibilitySupport;
    protected readonly _onDidChangeScreenReaderOptimized: Emitter<void>;
    protected _configMotionReduced: "auto" | "on" | "off";
    protected _systemMotionReduced: boolean;
    protected readonly _onDidChangeReducedMotion: Emitter<void>;
    protected _configTransparencyReduced: "auto" | "on" | "off";
    protected _systemTransparencyReduced: boolean;
    protected readonly _onDidChangeReducedTransparency: Emitter<void>;
    private _linkUnderlinesEnabled;
    protected readonly _onDidChangeLinkUnderline: Emitter<void>;
    constructor(_contextKeyService: IContextKeyService, _layoutService: ILayoutService, _configurationService: IConfigurationService);
    private initReducedMotionListeners;
    private initReducedTransparencyListeners;
    private initLinkUnderlineListeners;
    onDidChangeLinkUnderlines(listener: () => void): import("../../../base/common/lifecycle.js").IDisposable;
    get onDidChangeScreenReaderOptimized(): Event<void>;
    isScreenReaderOptimized(): boolean;
    private getAccessibilitySupportConfigurationValue;
    get onDidChangeReducedMotion(): Event<void>;
    isMotionReduced(): boolean;
    get onDidChangeReducedTransparency(): Event<void>;
    isTransparencyReduced(): boolean;
    alwaysUnderlineAccessKeys(): Promise<boolean>;
    getAccessibilitySupport(): AccessibilitySupport;
    setAccessibilitySupport(accessibilitySupport: AccessibilitySupport): void;
    alert(message: string): void;
    status(message: string): void;
}