import DataLoader from 'dataloader';
import { DBProvider } from '../../app-providers/db.provider.js';
import type { DateOrString, IAddBusinessTripAttendeesParams, IGetBusinessTripsAttendeesByBusinessTripIdsResult, IRemoveBusinessTripAttendeesParams, IUpdateBusinessTripAttendeeParams } from '../types.js';
import { BusinessTripsProvider } from './business-trips.provider.js';
export declare class BusinessTripAttendeesProvider {
    private dbProvider;
    private businessTripsProvider;
    cache: {
        get: <T>(key: import("node-cache").Key) => T | undefined;
        set: {
            <T>(key: import("node-cache").Key, value: T, ttl: number | string): boolean;
            <T>(key: import("node-cache").Key, value: T): boolean;
        };
        delete: (keys: import("node-cache").Key | import("node-cache").Key[]) => number;
        clear: () => void;
    };
    constructor(dbProvider: DBProvider, businessTripsProvider: BusinessTripsProvider);
    private batchBusinessTripsAttendeesByChargeIds;
    getBusinessTripsAttendeesByChargeIdLoader: DataLoader<string, IGetBusinessTripsAttendeesByBusinessTripIdsResult[], string>;
    private batchBusinessTripsAttendeesByBusinessTripIds;
    getBusinessTripsAttendeesByBusinessTripIdLoader: DataLoader<string, IGetBusinessTripsAttendeesByBusinessTripIdsResult[], import("node-cache").Key | import("node-cache").Key[]>;
    getBusinessTripsByAttendeeId(attendeeId: string): Promise<import("../types.js").IGetBusinessTripsByAttendeeIdResult[]>;
    getLastFlightByDateAndAttendeeId(params: {
        attendeeBusinessId: string;
        date: DateOrString;
    }): Promise<import("../types.js").IGetLastFlightByDateAndAttendeeIdResult[]>;
    addBusinessTripAttendees(params: IAddBusinessTripAttendeesParams): Promise<import("../types.js").IAddBusinessTripAttendeesResult[]>;
    updateBusinessTripAttendee(params: IUpdateBusinessTripAttendeeParams): Promise<import("../types.js").IUpdateBusinessTripAttendeeResult[]>;
    removeBusinessTripAttendees(params: IRemoveBusinessTripAttendeesParams): Promise<import("../types.js").IRemoveBusinessTripAttendeesResult[]>;
    clearCache(): void;
}