import { PayrexxConfig, PayrexxApiResponse, ApiMethodName, PayrexxApiVersion } from '@/types';
export declare class PayrexxCommunicator {
    static readonly CLIENT_VERSION = "2.0.2";
    static readonly API_URL_BASE_DOMAIN = "payrexx.com";
    static readonly SUPPORTED_VERSIONS: PayrexxApiVersion[];
    private readonly instance;
    private readonly apiSecret;
    private readonly apiBaseDomain;
    private readonly version;
    private readonly httpClient;
    private httpHeaders;
    private useApiKeyAuth;
    constructor(config: PayrexxConfig);
    methodAvailable(method: string): method is ApiMethodName;
    getVersion(): PayrexxApiVersion;
    setHttpHeaders(headers: Record<string, string>): void;
    setAuthenticationMethod(useApiKey: boolean): void;
    performApiRequest<TRequest, TResponse>(method: ApiMethodName, model: TRequest, options?: {
        timeout?: number;
    }): Promise<PayrexxApiResponse<TResponse>>;
    private buildUrl;
    private getEndpoint;
    private getModelName;
    private prepareRequestData;
    private addAuthentication;
    private addApiSignatureAuth;
    private handleSuccessResponse;
    private handleErrorResponse;
}
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