syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"self.wrap_binder(&bound_principal,"}]}
source_snippet:             self.wrap_binder(&bound_principal, WrapBinderMode::ForAll, |principal, p| {
context_before:         if let Some(bound_principal) = predicates.principal() {
context_after:                 p.print_def_path(principal.def_id, &[])?;