syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"Quantifier::ThereExists.apply(self.dst.refs_from(dst_state).map("}]}
source_snippet:                     Quantifier::ThereExists.apply(self.dst.refs_from(dst_state).map(
context_before:                     // ...there exists a reference transition out of `dst_state`...
context_after:                         |(dst_ref, dst_state_prime)| {