import type { Params } from "./types.js";
export declare const first: <T>(value: T[]) => T | undefined;
export declare const last: <T>(value: T[]) => T | undefined;
export declare const identity: <T>(value: T) => T;
export declare const noop: () => void;
export declare const isNonEmpty: (value: string) => boolean;
export declare const isParam: (value: string) => boolean;
export declare const ensureSlashPrefix: (value: string) => string;
export declare const areParamsArrayEqual: (arrayA: string[], arrayB: string[]) => boolean;
export declare const getRouteKey: (name: string, pathParams: Params, searchParams: Params) => string;
export declare const areRouteEqual: (routeA?: {
    key: string;
}, routeB?: {
    key: string;
}) => boolean;
export declare const extractParamNameUnion: (paramName: string) => {
    name: string;
    union?: Set<string>;
};