{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"#[derive(Clone,"}]}
#[derive(Clone, Debug, TyEncodable, TyDecodable, Hash, HashStable, PartialEq)]
///   determined by finding the type of the `.0` field from `T`.
#[derive(TypeFoldable, TypeVisitable)]