syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:             | TypeError::RegionsInsufficientlyPolymorphic(_, _)
context_before:             TypeError::RegionsDoesNotOutlive(_, _)
context_after:             | TypeError::RegionsPlaceholderMismatch => true,