{"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"ImplicitSelf(ImplicitSelfKind),"}]}
    ImplicitSelf(ImplicitSelfKind),
    /// Binding for a `self`/`&self`/`&mut self` binding where the type is implicit.
    /// Reference used in a guard expression to ensure immutability.