import { Link } from '../Nodes/Link.js';
import { INode } from '../Nodes/NodeInstance.js';
import { Engine } from './Engine.js';
export type FiberListenerInner = ((resolveSockets: () => Promise<void>) => Promise<void> | void) | undefined;
export declare class Fiber {
    engine: Engine;
    nextEval: Link | null;
    private readonly fiberCompletedListenerStack;
    private readonly nodes;
    executionSteps: number;
    constructor(engine: Engine, nextEval: Link | null, fiberCompletedListener?: FiberListenerInner, node?: INode | undefined);
    wrapFiberListener(fiberCompletedListener: FiberListenerInner, node?: INode | undefined): () => Promise<void>;
    commit(node: INode, outputSocketName: string, fiberCompletedListener?: FiberListenerInner): void;
    resolveAllInputValues(node: INode): Promise<void>;
    executeStep(): Promise<void>;
    isCompleted(): boolean;
}