syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"Ok(folder.try_fold_predicate(self.as_predicate())?.expect_clause())"}]}
source_snippet:         Ok(folder.try_fold_predicate(self.as_predicate())?.expect_clause())
context_before:     ) -> Result<Self, F::Error> {
context_after:     }