Function deserialize
fn deserialize<'de, D: serde::Deserializer<'de>>(de: D) -> Result<Option<crate::Timestamp>, <D as >::Error>Deserialize an optional integer number of seconds since the Unix epoch.
deserializefn deserialize<'de, D: serde::Deserializer<'de>>(de: D) -> Result<Option<crate::Timestamp>, <D as >::Error>Deserialize an optional integer number of seconds since the Unix epoch.