export declare const by: import('lodash').CurriedFunction3<string, string, any, boolean | "">;
export declare const outBy: import('lodash').CurriedFunction3<string, string, any, boolean>;
export declare const outById: import('lodash').CurriedFunction2<OrNull<string>, any, boolean>;
export declare const byId: import('lodash').CurriedFunction2<OrNull<string>, any, boolean>;
export declare const byPath: import('lodash').CurriedFunction2<string, any, boolean>;
export declare function exists(propertyKey: string | undefined, id: string, items: any[]): boolean;