export interface ReturnTo {
    /** A same-origin in-app path, with its search: "/workspaces/<id>/settings?section=models". */
    path: string;
    /** What the back link says: "Design preview · Models". */
    label: string;
}
/** The search params a cross-scope link adds. */
export interface ReturnToSearch {
    from?: string | undefined;
    fromLabel?: string | undefined;
}
/**
 * Accepts only a path inside this app: it starts with one "/", has no scheme,
 * host, backslash or control character, and resolves to the same origin.
 */
export declare function safeInAppPath(value: unknown): string | undefined;
/** Reads `from` + `fromLabel` from a route's raw search; both or nothing. */
export declare function parseReturnTo(search: Record<string, unknown>): ReturnToSearch;
export declare function returnToOf(search: ReturnToSearch): ReturnTo | undefined;
export declare function returnToSearch(returnTo: ReturnTo | undefined): ReturnToSearch;
/** The page being viewed right now, as a return target. */
export declare function currentPageReturnTo(label: string): ReturnTo | undefined;