import { Event } from "effector";
export interface MessageState<T> {
    visible: boolean;
    message: T;
}
export declare function createPopupMessage<Stream, Message>(f: (s: Stream) => Message, defaultMessage: Message, additionalSources?: Event<Stream>[]): {
    input: Event<Stream>;
    lastMessage: import("effector").Store<MessageState<Message>>;
};