import { ToastPlacement } from './ToastProvider';
export declare const uuid: () => string;
export declare function mergeDefined<T = {
    [key: string]: any;
}>(...args: {
    [key: string]: any;
}[]): T;
export declare const getPlacement: (placement: ToastPlacement) => {
    top: number;
    left: number;
    right?: undefined;
    bottom?: undefined;
} | {
    top: number;
    right: number;
    left?: undefined;
    bottom?: undefined;
} | {
    bottom: number;
    left: number;
    top?: undefined;
    right?: undefined;
} | {
    bottom: number;
    right: number;
    top?: undefined;
    left?: undefined;
} | {
    top?: undefined;
    left?: undefined;
    right?: undefined;
    bottom?: undefined;
};