{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//!"}]}
//!      `nested_filter::All` (and implement `maybe_tcx`). Walk your crate with
//!    - How: Implement `intravisit::Visitor` and override the `NestedFilter` type to
//!      `tcx.hir_walk_toplevel_module(visitor)`.