/// <reference types="react" />
import { IconName } from "@blueprintjs/core";
import { MythicAction } from "@nteract/myths";
export declare type NotificationAction = {
    callback: () => void;
} | {
    dispatch: MythicAction;
} | {
    url: string;
} | {
    file: string;
};
export interface NotificationMessage {
    key?: string;
    icon?: IconName;
    title?: string;
    message: string | JSX.Element;
    level: "error" | "warning" | "info" | "success" | "in-progress";
    action?: NotificationAction & {
        icon?: IconName;
        label: string;
    };
}
export interface NotificationSystem {
    addNotification(notification: NotificationMessage): void;
}