import { Annotation } from './types'; export declare const isObservable: (target: any) => boolean; export declare const isAnnotation: (target: any) => target is Annotation; export declare const isSupportObservable: (target: any) => boolean; export declare const markRaw: (target: T) => T; export declare const markObservable: (target: T) => T; export declare const raw: (target: T) => T; export declare const toJS: (values: T) => T; export declare const contains: (target: any, property: any) => any; export declare const hasCollected: (callback?: () => void) => boolean;