import { TRef } from "@effect/core/stm/TRef/definition";
import type { Node } from "@effect/core/stm/THub/definition/Node";
export declare class InternalNode<A> implements Node<A> {
    readonly head: A;
    readonly subscribers: number;
    readonly tail: TRef<Node<A>>;
    constructor(head: A, subscribers: number, tail: TRef<Node<A>>);
}
/**
 * @tsplus macro remove
 */
export declare function concreteNode<A>(_: Node<A>): asserts _ is InternalNode<A>;
/**
 * @tsplus static effect/core/stm/THub/Node.Ops __call
 * @tsplus location "@effect/core/stm/THub/operations/_internal/InternalNode"
 */
export declare function make<A>(head: A, subscribers: number, tail: TRef<Node<A>>): Node<A>;
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