{"ast_node_type":"enum","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//!"}]}
//! - enum variants (e.g. `enum Foo { Variant { field: u8 } }`)
//! - struct fields (e.g. `struct Foo { field: u8 }`)
//! - function/method arguments (e.g. `fn foo(arg: u8)`)