import type { AnyObject, DataType, Fn, ObjectLike, Primitive } from '../inner-types';
export declare const toString: () => string;
export declare function has(obj: any, key: any): boolean;
export declare function deepDrill<T extends ObjectLike>(obj: T, parentObj: any, key: any, subObjCb: (obj: any, parentObj: any, key: any) => void): void;
export declare function getValStrDesc(val: any): string;
export declare function noop(...args: any[]): any[];
export declare function isObject(val: any): val is AnyObject;
export declare function isMap(val: any): val is Map<any, any>;
export declare function isSet(val: any): val is Set<any>;
export declare function isFn(val: any): val is Fn;
export declare function getDataType(dataNode: any): DataType;
export declare function isPrimitive(val: any): val is Primitive;
export declare function isPromiseFn(obj: any): boolean;
export declare function isPromiseResult(result: any): boolean;
export declare function canBeNum(val: any): boolean;
export declare function isSymbol(maySymbol: any): maySymbol is symbol;
/**
 * 是否已被 markRaw 标记
 */
export declare function isMardedRaw(val: any): boolean;
export declare function injectMetaProto(rawObj: any): any;