export declare type Conditional<T> = {
    doAction: (action: T) => void;
    undoAction: (action: T) => void;
    clearActions: () => void;
    setActions: (actions: T[]) => void;
    verifyCondition: (when: When<T>) => boolean;
};
export declare type When<ActionType> = {
    done: ActionType[];
    undone?: ActionType[];
} | {
    done?: ActionType[];
    undone: ActionType[];
} | null;
export declare type TeardownFn = () => unknown;
export declare type HandlerFn = () => TeardownFn | void;
export declare type Condition<T> = {
    verifyAndPerform: (actions: T[]) => void;
};