pub async fn metadata_query(
user_provider: Option<Extension<UserProviderRef>>,
__arg1: State<PrometheusHandlerRef>,
__arg2: Query<MetadataQuery>,
__arg3: Extension<QueryContext>,
) -> PrometheusJsonResponsepub async fn metadata_query(
user_provider: Option<Extension<UserProviderRef>>,
__arg1: State<PrometheusHandlerRef>,
__arg2: Query<MetadataQuery>,
__arg3: Extension<QueryContext>,
) -> PrometheusJsonResponse