rust build error
@@ -2,6 +2,9 @@ use super::SBPMessage;
use crate::framer;
use crate::serialize::SbpSerialize;
+#[cfg(feature = "serialize")]
+use serde::{Deserialize, Serialize};
+
#[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
#[derive(Debug)]
pub struct Unknown {
