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="1025" height="768" preserveAspectRatio="xMidYMid meet" viewBox="0 0 1025 768"><path fill="currentColor" d="m512.426 449-449-449h898zm-505 284q-7-14-7-29V64q0-15 7-29l350 349zm466-232q6 5 15.5 8t16.5 3h7q26 1 39-11l71-72 339 339h-898l339-339zm544-466q7 14 7 29v640q0 15-7 29l-350-349z"/></svg>';