import { IHeaders } from './IHeaders';
export declare abstract class EndpointHandler {
    protected static prepareHeaders(token: string): IHeaders;
    protected static makePostRequestForData<T>(url: string, dataToken: string, meteringPointId: string | string[]): Promise<T>;
    protected static GET(url: string, headers: IHeaders): Promise<unknown>;
    protected static POST(url: string, headers: IHeaders, body: string): Promise<unknown>;
    protected static checkPossibleSystemErrors(errorCode: number): void;
}