syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"D::propagate_ambiguity(cx,"}]}
source_snippet:                     D::propagate_ambiguity(cx, input, result)
context_before:                 self.rebase_provisional_cache_entries(&stack_entry, |input, _| {
context_after:                 });