import { AccessibilityOptions } from './accessibility-options.interface';
import * as i0 from "@angular/core";
export declare class AccessibilityOptionsService {
    /** Get the user specified options - but handle cases where they may not be specified */
    readonly _options: AccessibilityOptions;
    /** Determine the default options */
    private readonly _defaultOptions;
    /** Get the complete options populating unspecified options with the default values */
    get options(): AccessibilityOptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccessibilityOptionsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AccessibilityOptionsService>;
}