syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"AllowTwoPhase::Yes"}]}
source_snippet:                     AllowTwoPhase::Yes => mir::MutBorrowKind::TwoPhaseBorrow,
context_before:                 kind: match allow_two_phase_borrow {
context_after:                     AllowTwoPhase::No => mir::MutBorrowKind::Default,