use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum PropValue {
Str(String),
Int(i64),
Float(f64),
Bool(bool),
Bytes(Vec<u8>),
/// Milliseconds since Unix epoch.
DateTime(i64),
}
pub type Props = std::collections::BTreeMap<String, PropValue>;