export interface MessageRenderOptions {
    top?: number | string;
    zIndex?: number | string;
    getContainer?: () => HTMLElement | null;
}
export declare const getMessageHostSelector: () => string;
export declare const applyHostStyle: (host: HTMLElement, options?: MessageRenderOptions) => void;
export declare const getMessageContainer: (options?: MessageRenderOptions) => HTMLDivElement | null;