/**
 * Resolves a person id to a display name.
 * Prefers `firstName lastName`, falls back to `email`, else `undefined`.
 */
export declare function useInvoicePersonLabel(personId: string | null | undefined): string | undefined;
/**
 * Resolves a booking id to its booking number.
 */
export declare function useInvoiceBookingLabel(bookingId: string | null | undefined): string | undefined;
/**
 * Resolves an organization id to its name.
 */
export declare function useInvoiceOrganizationLabel(organizationId: string | null | undefined): string | undefined;