export declare function createRouteId(file: string): string;
export declare function stripFileExtension(file: string): string;
export declare function byLongestFirst(a: string, b: string): number;
export declare function findParentRouteId(routeIds: string[], childRouteId: string): string | undefined;
export declare function isRouteModuleFile(opts: {
    file: string;
    exclude?: RegExp[];
}): boolean;