syntax_data: {"ast_node_type":"import","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // representation. If the conversion fails because `src` is uninhabited,
context_before:         // Convert `dst` from a tree-based representation to an DFA-based
context_after:         // conclude that the transmutation is unacceptable. Valid instances of