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export function open(url) {  return fetch(`http:localhost:9292/json/new?${url}`).then((response) => {    return response.json();  });}
export function close(id) {  return fetch(`http:localhost:9292/json/close/${id}`).then(    (response) => {      return response.json();    },  );}
export function list() {  return fetch("http:localhost:9292/json/list").then((response) => {    return response.json();  });}
export function inspect(url) {  let id = 0;
  const deferred = {};  const socket = new WebSocket(url);  const queue = [];  const notifications = [];
  socket.onopen = function () {    for (const { id, method, params } of queue) {      socket.send(JSON.stringify({        id: id,        method,        params,      }));    }  };
  socket.onmessage = (message) => {    const response = JSON.parse(message.data);
    if (response.id) {      const promise = deferred[response.id];      if (response.error) {        promise.reject(response.error);      } else {        promise.resolve(response.result);      }    } else {      notifications.push(response);    }  };
  return {    close() {      socket.close();    },    send(method, params) {      id++;
      if (socket.readyState == WebSocket.OPEN) {        socket.send(JSON.stringify({          id,          method,          params,        }));      } else {        queue.push({ id, method, params });      }
      return new Promise((resolve, reject) => {        deferred[id] = {          resolve,          reject,        };      });    },  };}