import { Collection } from "@tsplus/stdlib/collections/Collection/definition";
import { Chunk } from "@tsplus/stdlib/collections/Chunk/definition";
import type { AtomicHub } from "@effect/core/io/Hub/operations/_internal/AtomicHub";
import type { Subscription } from "@effect/core/io/Hub/operations/_internal/Subscription";
export declare class BoundedHubSingle<A> implements AtomicHub<A> {
    publisherIndex: number;
    subscriberCount: number;
    subscribers: number;
    value: A;
    readonly capacity = 1;
    get isEmpty(): boolean;
    get isFull(): boolean;
    publish(a: A): boolean;
    publishAll(as: Collection<A>): Chunk<A>;
    get size(): number;
    slide(): void;
    subscribe(): Subscription<A>;
}
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