syntax_data: {"ast_node_type":"variable","tokens":[{"end":24,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let expected_u =
context_after:             Dfa::from_edges(b, a, &[(b, 0..=0, c), (b, 1..=1, d), (d, 0..=1, a), (c, 0..=0, a)]);