fn wrap_serialize_with(
params: &Parameters,
serialize_with: &ExprPath,
field_tys: &[&Type],
field_exprs: &[TokenStream],
) -> TokenStream
fn wrap_serialize_with(
params: &Parameters,
serialize_with: &ExprPath,
field_tys: &[&Type],
field_exprs: &[TokenStream],
) -> TokenStream