export declare function _getCryptoOrMathRandom(): string;
export declare function initializeInternalKeyProp(obj: object, key: string): void;
export declare type sealableMethod = "freeze" | "seal" | "preventExtensions";
export declare function _patchObjectSealingMethods(key: string): void;
export declare function isObjectOrThrow(i: object): void;
export declare function _patchPropertyDescriptorMethods(key: string): void;