{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"Some(ExpnKind::Macro(MacroKind::Derive,"}]}
                        Some(ExpnKind::Macro(MacroKind::Derive, _))
                        of_trait.as_ref().map(|t| t.path.span.ctxt().outer_expn_data().kind),
                    ) =>