import { Link } from '../../Nodes/Link.js';
import { Node } from '../../Nodes/Node.js';
import { Socket } from '../../Sockets/Socket.js';
import { Engine } from './Engine.js';
export declare class Fiber {
    engine: Engine;
    nextEval: Link | null;
    private readonly fiberCompletedListenerStack;
    private readonly graph;
    executionSteps: number;
    constructor(engine: Engine, nextEval: Link | null, fiberCompletedListener?: (() => void) | undefined);
    resolveInputValueFromSocket(inputSocket: Socket): 0 | undefined;
    commit(node: Node, outputSocketName: string, fiberCompletedListener?: (() => void) | undefined): void;
    executeStep(): -1 | 0 | undefined;
    isCompleted(): boolean;
}
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