{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"InvalidDeriveTarget"}]}
    InvalidDeriveTarget { ast: AstId<ast::Item>, id: usize },
    UnimplementedBuiltinMacro { ast: AstId<ast::Macro> },
    MalformedDerive { ast: AstId<ast::Adt>, id: usize },