import { Predicate } from "@tsplus/stdlib/data/Predicate";
import { TArray } from "@effect/core/stm/TArray/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Count the values in the array matching a predicate.
 * @tsplus static effect/core/stm/TArray.Aspects count
 * @tsplus pipeable effect/core/stm/TArray count
 * @tsplus location "@effect/core/stm/TArray/operations/count"
 */
export declare function count<A>(f: Predicate<A>): (self: TArray<A>) => STM<never, never, number>;
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