export declare const TRAY_QUERY_PARAM = "tray";
export declare const TRAY_WORKER_QUERY_PARAM = "trayWorkerUrl";
export declare const TRAY_LEGACY_LEAD_QUERY_PARAM = "lead";
export interface ParsedTrayJoinUrl {
    workerBaseUrl: string;
    trayId: string;
    joinUrl: string;
}
export declare function normalizeTrayWorkerBaseUrl(raw: string | null | undefined): string | null;
export declare function parseTrayJoinUrl(raw: string | null | undefined): ParsedTrayJoinUrl | null;
export declare function buildCanonicalTrayLaunchUrl(locationHref: string, trayValue: string): string;