message: Add type annotation.
diff: @@ -79,7 +79,7 @@ class ProxyConnectionClient implements Connection {
  error: Event<TransportError>;
  jsonMessage: Event<any>;
  alive: boolean;
  - messageListener;
  + messageListener: (event: MessageEvent) => void;
  send(jsonMsg: any) {
  post({
  command: 'server_request',
  @@ -96,7 +96,7 @@ class ProxyConnectionClient implements Connection {
  this.alive = true;
  this.jsonMessage = new Event();
  this.error = new Event();
  - this.messageListener = event => { // messages from the extension
  + this.messageListener = (event) => { // messages from the extension
  const message: ToInfoviewMessage = event.data; // The JSON data our extension sent
  // console.log('incoming:', message);
  switch (message.command) {
  