extensions/typescript-language-features/src/utils/temp.electron.ts/makeRandomHexString
function makeRandomHexString(length: number): string {
	const chars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];
	let result = '';
	for (let i = 0; i < length; i++) {
		const idx = Math.floor(chars.length * Math.random());
		result += chars[idx];
	}
	return result;
}