import { HttpService } from '../http/http.service';
import { LicenseResponse } from './response/license-response';
/**
 * Service class for handling REST API calls related to license operations.
 * Extends the HttpService to utilize its HTTP request capabilities.
 */
export declare class LicenseRestService extends HttpService {
    private readonly LICENSE_ENDPOINT;
    private readonly LICENSE_INFO_ENDPOINT;
    /**
     * Retrieves the current license information from the GraphDB settings.
     *
     * This method sends a GET request to the '/rest/graphdb-settings/license' endpoint
     * to fetch the license details.
     *
     * @returns A Promise that resolves to a License object containing the current license information.
     */
    getLicense(): Promise<LicenseResponse>;
    /**
     * Checks if the license is hardcoded in the system.
     *
     * This method sends a GET request to the '/rest/graphdb-settings/license/hardcoded' endpoint
     * to determine if the license is hardcoded.
     *
     * @returns A Promise that resolves to a string indicating whether the license is hardcoded.
     */
    getIsLicenseHardcoded(): Promise<boolean>;
    /**
     * Registers a new license using the provided license code.
     *
     * This method sends a POST request to the '/rest/graphdb-settings/license' endpoint
     * with the provided license code in the request body.
     *
     * @param licenseCode - The license code as a base64 encoded string to be registered.
     * @returns A Promise that resolves to a LicenseResponse object containing the registered license information.
     */
    registerLicense(licenseCode: string): Promise<LicenseResponse>;
    /**
     * Unregisters the current license from the system.
     *
     * This method sends a DELETE request to the '/rest/graphdb-settings/license' endpoint
     * to remove the existing license.
     *
     * @returns A Promise that resolves when the license has been successfully unregistered.
     */
    unregisterLicense(): Promise<void>;
    /**
     * Extracts license information from a given license file.
     *
     * This method uploads the provided license file to the '/rest/info/license/to-base-64' endpoint
     * and retrieves the extracted license information in base64 format.
     *
     * @param file - The license file to be uploaded and processed.
     * @returns A Promise that resolves to a string containing the extracted license information in base64 format.
     */
    extractFromLicenseFile(file: File): Promise<string>;
    /**
     * Validates a given license code.
     *
     * This method sends a POST request to the '/rest/info/license/validate' endpoint
     * with the provided license code in the request body for validation.
     *
     * @param licenseCode - The license code as base64 encoded string to be validated.
     * @returns A Promise that resolves to a LicenseResponse object containing the validation result.
     */
    validateLicense(licenseCode: string): Promise<LicenseResponse>;
}