Proxy

const response = await fetch('/api/ProxySettings', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

{
  "httpProxyMode": [
    "0 = NoProxy",
    "1 = ManualSettings"
  ],
  "httpProxyAddress": "text",
  "httpProxyUser": "text",
  "httpProxyRequiresAuth": false
}

const response = await fetch('/api/ProxySettings', {
    method: 'PUT',
    headers: {
      "Content-Type": "application/json; api-version=1.0"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

{
  "type": "text",
  "title": "text",
  "detail": "text",
  "instance": "text"
}