export declare function asRecord(value: unknown): Record; export declare function asString(value: unknown): string | undefined; export declare function asNumber(value: unknown): number | undefined; export declare function asBoolean(value: unknown): boolean | undefined; export declare function resolveTempPathParts(opts: { ext: string; tmpDir?: string; id?: string; }): { ext: string; tmpDir: string; id: string; };