{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"span.push_span_label(occurrence.span,"}]}
            span.push_span_label(occurrence.span, "conflicting repetition");
            span.push_span_label(binder.span, "expected repetition");
            buffer_lint(psess, span, node_id, BuiltinLintDiag::MetaVariableWrongOperator);