syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"StatementKind::AscribeUserType(..)"}]}
source_snippet:                     StatementKind::AscribeUserType(..)
context_before:                 match statement.kind {
context_after:                     | StatementKind::Assign(box (_, Rvalue::Ref(_, BorrowKind::Fake(_), _)))