import { KeySpecifier, KeyFieldsFunction, KeyArgsFunction } from "./policies"; export declare function keyFieldsFnFromSpecifier(specifier: KeySpecifier): KeyFieldsFunction; export declare function keyArgsFnFromSpecifier(specifier: KeySpecifier): KeyArgsFunction; export declare function collectSpecifierPaths(specifier: KeySpecifier, extractor: (path: string[]) => any): Record; export declare function getSpecifierPaths(spec: KeySpecifier): string[][]; declare function extractKey, TKey extends string>(object: TObj, key: TKey): TObj[TKey] | undefined; export declare function extractKeyPath(object: Record, path: string[], extract?: typeof extractKey): any; export {}; //# sourceMappingURL=key-extractor.d.ts.map