import { GraphNodes, IGraph } from '../Graphs/Graph.js';
import { Socket } from '../Sockets/Socket.js';
import { INode, NodeType } from './NodeInstance.js';
import { INodeDescription } from './Registry/NodeDescription.js';
export interface IStateService {
    storeEvent(event: any): void;
    getState(nodeId: string): any;
    setState(nodeId: string, newState: any): void;
    rehydrateState(nodes: GraphNodes, stateKey?: string): Promise<void>;
    syncState(): Promise<void>;
    syncAndClearState(): Promise<void>;
    resetState(): Promise<void>;
}
export type NodeConfiguration = {
    [key: string]: any;
};
export type SetStateArgs = Record<string, any> | ((prevState: Record<string, any>) => Record<string, any>);
export declare abstract class Node<TNodeType extends NodeType> implements INode {
    readonly inputs: Socket[];
    readonly outputs: Socket[];
    readonly description: INodeDescription;
    nodeType: TNodeType;
    readonly otherTypeNames: string[] | undefined;
    graph: IGraph;
    label?: string;
    metadata: any;
    _state: any;
    id: string;
    readonly configuration: NodeConfiguration;
    createStateProxy(): any;
    getState(): any;
    setState(value: SetStateArgs): void;
    constructor(node: Omit<INode, 'nodeType'> & {
        nodeType: TNodeType;
    });
    readInput: <T>(inputName: string) => T;
    writeOutput: <T>(outputName: string, value: T) => void;
}