syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if tcx.proc_macro_decls_static(()) == Some(def_id) {
context_before:     if let Some(def_id) = def_id.as_local() {
context_after:             let stable_crate_id = tcx.stable_crate_id(LOCAL_CRATE);