{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"gate_all_legacy_dont_use!(try_blocks,"}]}
    gate_all_legacy_dont_use!(try_blocks, "`try` blocks are unstable");
    gate_all_legacy_dont_use!(decl_macro, "`macro` is experimental");
    gate_all_legacy_dont_use!(auto_traits, "`auto` traits are unstable");