#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
pub struct MapListenerId(pub uuid::Uuid);
#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
pub struct MarkerId(pub uuid::Uuid);
#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
pub struct CallbackId(pub uuid::Uuid);