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export function callJSRequest<Body, Return>(  func: (req: Request) => Return,  url: string,  body: Body,  auth: string,  requestID: string,): Return {  const init = {    headers: {      // eslint-disable-next-line @typescript-eslint/naming-convention      'Content-type': 'application/json',      // eslint-disable-next-line @typescript-eslint/naming-convention      'Authorization': auth,      // eslint-disable-next-line @typescript-eslint/naming-convention      'X-Replicache-RequestID': requestID,    },    body: JSON.stringify(body),    method: 'POST',  };
  const request = new Request(url, init);  return func(request);}