/**
 * Copyright (c) 2014-present Houfeng
 * @homepage https://github.com/Houfeng/ober
 * @author Houfeng <houzhanfeng@gmail.com>
 */
export type AnyClass = (new (...args: any[]) => any) & {
    displayName?: string;
};
export type AnyFunction = (...args: any[]) => any;
export type AnyObject = Record<string, any>;
export declare function isString(value: any): value is string;
export declare function isNumber(value: any): value is number;
export declare function isObject(value: any): value is object;
export declare function isNativeArray(value: any): value is Array<any>;
export declare function isFunction<T = AnyFunction>(value: any): value is T;
export declare function isNativeClass<T = AnyFunction>(value: any): value is T;
export declare function isArrowFunction<T = AnyFunction>(value: any): value is T;
export declare function isNullOrUndefined(value: any): value is undefined | null;
export declare function define(target: any, member: string | symbol, value: any): void;
export declare function isValidKey(key: any): key is string;
export declare function isExtensible(value: any): boolean;
export declare function isSealed(value: any): boolean;
export declare const hasOwn: (target: any, member: PropertyKey) => boolean;
export declare const getOwnValue: (target: any, member: PropertyKey) => any;
export declare function is(x: any, y: any): boolean;
export declare function shallowEqual(objA: any, objB: any): boolean;
export declare function canAutoProxy(value: any): value is any;
export declare function needBind<T extends AnyFunction>(value: T | undefined): value is T;
export type Ref<T> = {
    value?: T;
};
export type DecoratorContext = {
    kind: string;
    name: string | symbol;
    access: {
        get?(): unknown;
        set?(value: unknown): void;
    };
    isPrivate?: boolean;
    isStatic?: boolean;
    addInitializer?(initializer: () => void): void;
};
export declare function isDecoratorContext(value: any): value is DecoratorContext;
export declare function logError(...args: any): void;
export declare function logWarn(...args: any): void;
export declare function logInfo(...args: any): void;
export declare function logTable(...args: any): void;
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