{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"//!"}]}
//!   implement `Copy`, `Sync`, `Send`, `Freeze`, etc.
//! * A `Fingerprint` is just a bunch of bits, which allows `DepNode` to
//! * Since we just have a bit pattern, `DepNode` can be mapped from disk into