import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Summarizes a `STM` effect by computing a provided value before and after
 * execution, and then combining the values to produce a summary, together
 * with the result of execution.
 * @tsplus static effect/core/stm/STM.Aspects summarized
 * @tsplus pipeable effect/core/stm/STM summarized
 * @tsplus location "@effect/core/stm/STM/operations/summarized"
 */
export declare function summarized<R2, E2, B, C>(summary: STM<R2, E2, B>, f: (start: B, end: B) => C): <R, E, A>(self: import("../definition").STM<R, E, A>) => import("../definition").STM<R2 | R, E2 | E, readonly [C, A]>;
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