{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"self_ty_name:"}]}
    self_ty_name: Option<&'a str>,
    /// This can be `None` if the `Self` type is not a named type, or if it is inside a macro call.
    /// This can be `None` if this is an inherent impl, or if the trait name is inside a macro call.