envelope constant
String
const envelope
Implementation
static const String envelope =
'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" d="M20 4H4a2 2 0 00-2 2v12a2 2 0 002 2h16a2 2 0 002-2V6a2 2 0 00-2-2zm0 4.7-8 5.334L4 8.7V6.297l8 5.333 8-5.333V8.7z"/></svg>';