{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//!"}]}
//!   does not currently care about what the value in `q` is (and vice versa). We formalize the
//!   precisely, what we will check is that whenever the program performs a write to `p`, then it
//!   notion of "does not care what the value in `q` is" by checking the *liveness* of `q`.