{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"err.subdiagnostic(ExplainDocComment::Outer"}]}
            err.subdiagnostic(ExplainDocComment::Outer { span });
        if src.starts_with("///") || src.starts_with("/**") {
        } else if src.starts_with("//!") || src.starts_with("/*!") {