src/vs/editor/common/core/stringBuilder.ts/getUTF16LE_TextDecoder
function getUTF16LE_TextDecoder(): TextDecoder {
	if (!_utf16LE_TextDecoder) {
		_utf16LE_TextDecoder = new TextDecoder('UTF-16LE');
	}
	return _utf16LE_TextDecoder;
}