{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
                    let what = if ns == TypeNS { "type parameters" } else { "local variables" };
                if this.should_report_errs() {
                    this.r.dcx().emit_err(errors::ImportsCannotReferTo { span: ident.span, what });