import { Aircraft } from "../aircraft.js";
import { AircraftRepository } from "../repositories/aircraft.repository.js";
/**
 * AircraftService class provides methods to manage and retrieve aircraft data.
 * Acts as a service layer that handles business logic and validation.
 */
declare class AircraftService {
    private repository;
    /**
     * Creates a new instance of the AircraftService class.
     *
     * @param repository - The aircraft repository for data operations.
     * @throws Error if the repository is not provided.
     */
    constructor(repository: AircraftRepository);
    /**
     * Retrieves an aircraft by its registration.
     *
     * @param registration - The registration of the aircraft to retrieve.
     * @returns A promise that resolves to the Aircraft object.
     * @throws Error if the registration is invalid or aircraft is not found.
     */
    findByRegistration(registration: string): Promise<Aircraft>;
    /**
     * Creates a new aircraft in the service.
     *
     * @param aircraft - The Aircraft object to create.
     * @returns A promise that resolves to the created Aircraft object.
     * @throws Error if the registration is invalid.
     */
    create(aircraft: Aircraft): Promise<Aircraft>;
    /**
     * Retrieves all aircraft.
     *
     * @returns A promise that resolves to an array of Aircraft objects.
     */
    findAll(): Promise<Aircraft[]>;
    /**
     * Updates an existing aircraft in the service.
     *
     * @param aircraft - The Aircraft object to update.
     * @returns A promise that resolves to the updated Aircraft object.
     * @throws Error if the registration is invalid.
     */
    update(aircraft: Aircraft): Promise<Aircraft>;
    /**
     * Deletes an aircraft from the service.
     *
     * @param registration - The registration of the aircraft to delete.
     * @returns A promise that resolves to true if the aircraft was deleted, false if not found.
     * @throws Error if the registration is invalid.
     */
    delete(registration: string): Promise<boolean>;
    /**
     * Checks if an aircraft exists in the service.
     *
     * @param registration - The registration of the aircraft to check.
     * @returns A promise that resolves to true if the aircraft exists, false otherwise.
     * @throws Error if the registration is invalid.
     */
    exists(registration: string): Promise<boolean>;
}
export default AircraftService;