declare const APIGateway: Record<string, string>;
interface LazadaClientOptions {
    apiKey: string;
    apiSecret: string;
    region: keyof typeof APIGateway;
    callbackUrl: string;
    debug?: boolean;
}
declare class LazadaClient {
    private apiKey;
    private apiSecret;
    private region;
    private callbackUrl;
    private sysParams;
    private apiParams;
    private fileParams;
    private debug;
    constructor({ apiKey, apiSecret, region, callbackUrl, debug, }: LazadaClientOptions);
    private generateTimestamp;
    private getSysParams;
    setAccessToken(token: string): this;
    changeRegion(region: keyof typeof APIGateway): this;
    addAPIParam(key: string, val: string | number): this;
    addFileParam(key: string, val: Buffer): this;
    setCallbackUrl(url: string): void;
    makeAuthURL(): string;
    requestToken(code: string): Promise<any>;
    private sign;
    private getServerURL;
    execute(apiPath: string, apiMethod?: "GET" | "POST", bodyParams?: Record<string, string | number>): Promise<any>;
}
export default LazadaClient;