import { LiveRegionMessageType, LiveRegionMessage } from './types';
export declare type LiveRegionContainers = [odd: HTMLElement, even: HTMLElement] | [];
interface ILiveRegionQueue {
    setContainers: (containers: LiveRegionContainers) => void;
    addMessage: (message: string, destroyTimeout?: number) => LiveRegionMessage;
}
declare class LiveRegionQueue implements ILiveRegionQueue {
    private _containers;
    private _messagesQueue;
    private _alternate;
    private _renderedMessage;
    private _idCounter;
    private _type;
    constructor(type: LiveRegionMessageType, containers?: LiveRegionContainers);
    setContainers(containers: LiveRegionContainers): void;
    addMessage(message: string, destroyTimeout?: number): LiveRegionMessage;
    destroyAll(): void;
    private _generateId;
    private _calculateDestroyTimeout;
    private _findById;
    private _getDestroyMessageCallback;
    private _removeRenderedMessage;
    private _removeFromQueue;
    private _renderMessage;
}
export declare class LiveRegionQueueAssertive extends LiveRegionQueue {
}
export declare class LiveRegionQueuePolite extends LiveRegionQueue {
}
export {};