export declare function flatDeep(arr: any[], container?: any[]): any[];
export declare function compatESModuleRequire<T extends {
    __esModule: boolean;
    default: any;
}>(m: T): T extends {
    __esModule: true;
    default: infer U;
} ? U : T;
export declare function mergeDefault({ defaultConfig, config }: Record<string, any>): any;
export declare function funcString(value: typeof Function | Record<string, any>): string | Record<string, any>;
export declare function isEqual<T, U>(value: T, other: U): boolean;