dispose method
Implementation
Future<void> dispose() async {
if (_isDisposed) return;
_isDisposed = true;
await _sendCmd((port) => _StmtDisposeCmd(port, _stmtId));
}
Future<void> dispose() async {
if (_isDisposed) return;
_isDisposed = true;
await _sendCmd((port) => _StmtDisposeCmd(port, _stmtId));
}