import { ChatStore } from '..';
import { TokenCounter } from '../../../services';
import { ChatState } from '../../state';
import { IGraphNode, RunnableConfig } from '../../types';
export declare class EndSessionNode implements IGraphNode<ChatState> {
    private readonly chatStore;
    private readonly tokenCounter;
    constructor(chatStore: ChatStore, tokenCounter: TokenCounter);
    execute(state: ChatState, config: RunnableConfig): Promise<ChatState>;
}