txt_reference constant
String
const txt_reference
Implementation
static const String txt_reference =
'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="32" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path fill="currentColor" d="M4 20v2h4.586L2 28.586 3.414 30 10 23.414V28h2v-8H4zM21 4h3v12h2V4h3V2h-8v2zm-1-2h-2l-2 6-2-6h-2l2.752 7L12 16h2l2-6 2 6h2l-2.755-7L20 2zM3 4h3v12h2V4h3V2H3v2z"/></svg>';