{"ast_node_type":"function","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//"}]}
// |declaration| Emitted for names of definitions, like `foo` in `fn foo(){}`.|
// |crateRoot| Emitted for crate names, like `serde` and `crate.|
// |defaultLibrary| Emitted for items from built-in crates (std, core, allc, test and proc_macro).|