{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"&&"}]}
            && let hir::ExprKind::Lit(kind) = arg.kind
            && cx.tcx.is_diagnostic_item(sym::SymbolIntern, def_id)
            && let rustc_ast::LitKind::Str(_, _) = kind.node