{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"ParamInEnumDiscriminant"}]}
    ParamInEnumDiscriminant { name: Symbol, param_kind: ParamKindInEnumDiscriminant },
    /// This error is emitted even with `generic_const_exprs`.
    /// Error E0735: generic parameters with a default cannot use `Self`