import { Predicate } from "@tsplus/stdlib/data/Predicate";
import { TPriorityQueue } from "@effect/core/stm/TPriorityQueue/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Retains only elements from the queue matching the specified predicate.
 * @tsplus static effect/core/stm/TPriorityQueue.Aspects retainIf
 * @tsplus pipeable effect/core/stm/TPriorityQueue retainIf
 * @tsplus location "@effect/core/stm/TPriorityQueue/operations/retainIf"
 */
export declare function retainIf<A>(f: Predicate<A>): (self: TPriorityQueue<A>) => STM<never, never, void>;
//# sourceMappingURL=retainIf.d.ts.map