import * as core from '../core';
export declare type Next = () => {
    diff: core.Diff[];
    returnValue: any;
};
export declare type ActionInfo = {
    args: any[];
    path: string[];
};
export declare type Disposable = {
    remove: () => void;
};
export declare type Middleware = {
    (next: Next, action: ActionInfo): void;
};
export declare function executeMiddlewareAroundAction(observable: object, runAction: Function, action: core.ActionInfo): any;
export declare function use(observable: object, middleware: Middleware): Disposable;