/**
 * Configure the REST Client
 * @param {String} url - base URL
 * @param {String} serviceId - Service ID
 * @param {Object} headers - deafult headers in a key-value pair
 */
export function Client(args:{serviceId?: string, baseUrl?: string, headers?: any}) {
  return function <TFunction extends Function>(Target: TFunction): TFunction {
    if (args.serviceId) {
      Target.prototype.getServiceId = function() {
        return args.serviceId;
      };
    }
    if (args.baseUrl) {
      Target.prototype.getBaseUrl = function() {
        return args.baseUrl;
      };
    }
    if (args.headers) {
      Target.prototype.getDefaultHeaders = function() {
        return args.headers;
      };
    }
    return Target;
  };
}