export type MessageKind = 'info' | 'success' | 'error' | 'warning';
export interface ActionMessage {
    kind: MessageKind;
    text: string;
}
export interface UseAsyncAction {
    busy: boolean;
    message: ActionMessage | null;
    run: (fn: () => string | Promise<string>) => Promise<void>;
    setMessage: (m: ActionMessage | null) => void;
}
export declare function useAsyncAction(): UseAsyncAction;