class EscapeEmitter { const EscapeEmitter(); String primaryDeviceAttributes() { return '\x1b[?1;2c'; } String secondaryDeviceAttributes() { const model = 0; const version = 0; return '\x1b[>$model;$version;0c'; } String tertiaryDeviceAttributes() { return '\x1bP!|00000000\x1b\\'; } String operatingStatus() { return '\x1b[0n'; } String cursorPosition(int x, int y) { return '\x1b[$y;${x}R'; } String bracketedPaste(String text) { return '\x1b[200~$text\x1b[201~'; } }