use serde::{Serialize, Deserialize};

#[derive(Serialize)]
struct SerNamedMap<'a, 'b, A: 'a, B: 'b, C> {
    a: &'a A,
    b: &'b mut B,
    c: C,
}

#[derive(Deserialize)]
struct DeNamedMap<A, B, C> {
    a: A,
    b: B,
    c: C,
}