import { Metric } from "@effect/core/io/Metrics/definition";
import { Tuple } from "@tsplus/stdlib/data/Tuple/definition";
/**
 * @tsplus fluent ets/Metrics/Metric withNow
 * @tsplus location "@effect/core/io/Metrics/operations/withNow"
 */
export declare function withNow<Type, In, Out>(self: Metric<Type, Tuple<[In, number]>, Out>): import("../definition").Metric<Type, In, Out>;
//# sourceMappingURL=withNow.d.ts.map