syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"p.print_def_path(principal.def_id,"}]}
source_snippet:                 p.print_def_path(principal.def_id, &[])?;
context_before:             self.wrap_binder(&bound_principal, WrapBinderMode::ForAll, |principal, p| {