syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"return"}]}
source_snippet:             return tcx.sess.generate_proc_macro_decls_symbol(stable_crate_id);
context_before:             let stable_crate_id = tcx.stable_crate_id(LOCAL_CRATE);
context_after:         }