@advanced-rest-client/arc-headers/src/lib/hint-http-headers.js

A module that contains UI and logic for handle HTTP headers in an HTTP request and request editors.

import { getHints } from './HintHttpHeaders.js';
/* global CodeMirror */
if (window.CodeMirror) {
  CodeMirror.registerHelper('hint', 'http-headers', getHints);
}