export declare const enum LiveRegionMessageType {
    Assertive = "assertive",
    Polite = "polite"
}
export declare type LiveRegionMessageId = string;
export declare type DestroyLiveRegionMessage = (force?: boolean) => Promise<boolean>;
export interface LiveRegionMessage {
    id: LiveRegionMessageId;
    message: string;
    destroyTimeout: number;
    type: LiveRegionMessageType;
    destroy: DestroyLiveRegionMessage;
}
export interface ILiveRegionService {
    renderTo: (containerId: string, force?: boolean) => boolean;
    destroy: () => void;
    sayPolitely: (message: string, destroyTimeout?: number) => LiveRegionMessage | null;
    interrupt: (message: string, destroyTimeout?: number) => LiveRegionMessage | null;
}