mailboxFlagUp constant
IconData
const mailboxFlagUp
Regular Mailbox Flag Up icon
https://fontawesome.com/icons/mailbox-flag-up?style=regular archive, envelope, letter, mail, mailbox, open, open mailbox with raised flag, post office, postal, postbox, postcard, raised, send, stamp, usps
Implementation
static const IconData mailboxFlagUp = IconDataRegular(0xe5bb);