export declare const getDescriptor: any; export declare const sleep: (ms: number) => Promise; export declare const getType: any; export declare const resolveUrl: (url?: string | URL) => string; export declare const safeStringify: (value: any) => string; export declare const getProxyValue: (target: object, prop: string | symbol) => any; export declare const copyNativePropsAndPrototype: ({ source, target, prototype, }: { source: Record; target: Record; prototype: object; }) => void;