import { ReactNode } from "react";
import { HistoryFilter, UnionStore } from "../ui-store/index.js";
import { ILangGraphClient } from "@langgraph-js/pure-graph/dist/types.js";
export declare const useChat: () => UnionStore<{
    data: {
        artifacts: import("nanostores").PreinitializedWritableAtom<import("../index.js").ComposedArtifact[]> & object;
        currentArtifactId: import("nanostores").PreinitializedWritableAtom<[string, string] | null> & object;
        showArtifact: import("nanostores").PreinitializedWritableAtom<boolean> & object;
        client: import("nanostores").PreinitializedWritableAtom<import("../LangGraphClient.js").LangGraphClient<unknown> | null> & object;
        history: import("nanostores").PreinitializedWritableAtom<import("../History.js").History | null> & object;
        sessions: import("nanostores").PreinitializedWritableAtom<import("../History.js").SessionInfo[]> & object;
        renderMessages: import("nanostores").PreinitializedWritableAtom<import("../LangGraphClient.js").RenderMessage[]> & object;
        userInput: import("nanostores").PreinitializedWritableAtom<string> & object;
        loading: import("nanostores").PreinitializedWritableAtom<boolean> & object;
        inChatError: import("nanostores").PreinitializedWritableAtom<string | null> & object;
        currentAgent: import("nanostores").PreinitializedWritableAtom<string> & object;
        currentChatId: import("nanostores").PreinitializedWritableAtom<string | null> & object;
        currentNodeName: import("nanostores").PreinitializedWritableAtom<string> & object;
        currentStatus: import("nanostores").PreinitializedWritableAtom<string> & object;
        interruptData: import("nanostores").PreinitializedWritableAtom<import("../humanInTheLoop.js").InterruptData | null> & object;
        isInterrupted: import("nanostores").PreinitializedWritableAtom<boolean> & object;
        tools: import("nanostores").PreinitializedWritableAtom<import("../index.js").UnionTool<any, Object, any>[]> & object;
        collapsedTools: import("nanostores").PreinitializedWritableAtom<string[]> & object;
        showGraph: import("nanostores").PreinitializedWritableAtom<boolean> & object;
        graphVisualize: import("nanostores").PreinitializedWritableAtom<import("@langchain/langgraph-sdk").AssistantGraph | null> & object;
        showHistory: import("nanostores").PreinitializedWritableAtom<boolean> & object;
        historyList: import("nanostores").PreinitializedWritableAtom<import("@langchain/langgraph-sdk").Thread<{
            messages: import("@langchain/langgraph-sdk").Message[];
        }, unknown>[]> & object;
        historyPagination: import("nanostores").PreinitializedWritableAtom<import("../ui-store/createChatStore.js").HistoryPagination> & object;
        historyFilter: import("nanostores").PreinitializedWritableAtom<HistoryFilter> & object;
    };
    mutations: {
        setCurrentArtifactById: (id: string, tool_id: string) => void;
        setShowArtifact: (show: boolean) => void;
        initClient: () => Promise<import("../History.js").History>;
        getClient: () => import("../LangGraphClient.js").LangGraphClient<unknown> | null;
        getHistory: () => import("../History.js").History | null;
        activateSession: (sessionId: string, mustResetStream?: boolean) => Promise<void>;
        createNewSession: () => Promise<void>;
        refreshSessionList: () => Promise<void>;
        refreshHistoryList: () => Promise<void>;
        sendMessage: (message?: import("@langchain/langgraph-sdk").Message[], options?: import("../LangGraphClient.js").SendMessageOptions, withoutCheck?: boolean, isResume?: boolean) => Promise<void>;
        stopGeneration: () => void;
        setUserInput: (input: string) => void;
        revertChatTo(messageId: string, resend?: boolean, sendOptions?: import("../LangGraphClient.js").SendMessageOptions & import("../time-travel/index.js").RevertChatToOptions): Promise<void>;
        refreshTools: () => Promise<void>;
        setTools(new_tools: import("../index.js").UnionTool<any>[]): void;
        toggleToolCollapse: (toolId: string) => void;
        getToolUIRender: (tool_name: string) => ((message: import("../LangGraphClient.js").RenderMessage) => Object) | null;
        isFELocking: () => boolean | undefined;
        toggleHistoryVisible: () => void;
        toggleGraphVisible(): void;
        refreshGraph: () => Promise<void>;
        setCurrentAgent(agent: string): Promise<import("../History.js").History>;
        resumeFromInterrupt(data: any): Promise<void>;
        addToHistory: (thread: import("@langchain/langgraph-sdk").Thread<{
            messages: import("@langchain/langgraph-sdk").Message[];
        }>) => void;
        createNewChat(metadata?: Record<string, any>): Promise<void>;
        toHistoryChat: (thread: import("@langchain/langgraph-sdk").Thread<{
            messages: import("@langchain/langgraph-sdk").Message[];
        }>) => Promise<void>;
        deleteHistoryChat(thread: import("@langchain/langgraph-sdk").Thread<{
            messages: import("@langchain/langgraph-sdk").Message[];
        }>): Promise<void>;
        setHistoryPage(page: number): void;
        setHistoryPageSize(pageSize: number): void;
        setHistoryFilter(filter: Partial<HistoryFilter>): void;
        resetHistoryFilter(): void;
    };
}>;
interface ChatProviderProps {
    children: ReactNode;
    defaultAgent?: string;
    apiUrl?: string;
    defaultHeaders?: Record<string, string>;
    withCredentials?: boolean;
    fetch?: typeof fetch;
    showHistory?: boolean;
    showGraph?: boolean;
    fallbackToAvailableAssistants?: boolean;
    /** 初始化时是否自动激活最近的历史会话（默认 false，创建新会话） */
    autoRestoreLastSession?: boolean;
    onInitError?: (error: any, currentAgent: string) => void;
    client?: ILangGraphClient;
    legacyMode?: boolean;
    /** 历史记录筛选的默认参数 */
    historyFilter?: HistoryFilter;
    /** UI 更新的防抖时间（毫秒，默认 10） */
    debounceTime?: number;
}
export declare const ChatProvider: React.FC<ChatProviderProps>;
export {};