import { Metric } from "@effect/core/io/Metrics/definition";
/**
 * Returns a new metric that is powered by this one, but which accepts updates
 * of the specified new type, which must be transformable to the input type of
 * this metric.
 * @tsplus static effect/core/io/Metrics/Metric.Aspects contramap
 * @tsplus pipeable effect/core/io/Metrics/Metric contramap
 * @tsplus location "@effect/core/io/Metrics/operations/contramap"
 */
export declare function contramap<In, In2>(f: (input: In2) => In): <Type, Out>(self: import("../definition").Metric<Type, In, Out>) => import("../definition").Metric<Type, In2, Out>;
//# sourceMappingURL=contramap.d.ts.map