import type { AppointmentDetailsRead, AppointmentDetailsState, UseAppointmentDetailsReadOptions } from './appointment-details-panel.types';
export interface AppointmentDetailsReadResult<T extends AppointmentDetailsRead = AppointmentDetailsRead> {
    /** Pass as AppointmentDetailsPanel `state`. Null while `eventId` is null:
     *  there is no selection, so render no panel. */
    state: AppointmentDetailsState<T> | null;
    /** Pass as AppointmentDetailsPanel `onRetry`: reads the same occurrence
     *  again. */
    retry: () => void;
}
/**
 * Reads one occurrence so that the latest selection always wins. A new
 * `eventId` aborts the read in flight and shows the skeleton, even for an
 * id shown before; a late answer for an earlier request is dropped. The
 * error and refused states carry the `eventId` they answer. An answer for
 * another appointment, or with an unreadable `startIso`, becomes an error,
 * so the panel never shows one patient's name with another's appointment.
 * A new `reloadKey` reads
 * the same occurrence again while the current read stays on screen
 * (`refreshing`); if that read fails, the panel shows the error rather than
 * going back to the older read. A null `eventId` reads nothing and returns
 * a null `state`.
 *
 * The latest `load` is the one called, so an inline loader never loops:
 * only `eventId`, `reloadKey` and `retry` start a read.
 */
export declare function useAppointmentDetailsRead<T extends AppointmentDetailsRead = AppointmentDetailsRead>(options: UseAppointmentDetailsReadOptions<T> & {
    eventId: string;
}): AppointmentDetailsReadResult<T> & {
    state: AppointmentDetailsState<T>;
};
export declare function useAppointmentDetailsRead<T extends AppointmentDetailsRead = AppointmentDetailsRead>(options: UseAppointmentDetailsReadOptions<T>): AppointmentDetailsReadResult<T>;
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