{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":".find(|s|"}]}
            .find(|s| !generics.params.iter().any(|param| param.name.ident().as_str() == s))
            .chain((0..).map(|i| format!("P{i}")))
            .expect("we definitely can find at least one param name to generate");