/**
 * Chat History Tool Definition
 *
 * Allows users to extract conversation history from NotebookLM notebooks
 * using browser automation to scrape the chat UI.
 */
import type { Tool } from "../../types.js";
export declare const getNotebookChatHistoryTool: Tool;
export declare const chatHistoryTools: {
    inputSchema: {
        [x: string]: unknown;
        type: "object";
        properties?: {
            [x: string]: object;
        } | undefined;
        required?: string[] | undefined;
    };
    name: string;
    description?: string | undefined;
    outputSchema?: {
        [x: string]: unknown;
        type: "object";
        properties?: {
            [x: string]: object;
        } | undefined;
        required?: string[] | undefined;
    } | undefined;
    annotations?: {
        title?: string | undefined;
        readOnlyHint?: boolean | undefined;
        destructiveHint?: boolean | undefined;
        idempotentHint?: boolean | undefined;
        openWorldHint?: boolean | undefined;
    } | undefined;
    execution?: {
        taskSupport?: import("zod/v4/core").$InferEnumOutput<{
            optional: "optional";
            required: "required";
            forbidden: "forbidden";
        }> | undefined;
    } | undefined;
    _meta?: {
        [x: string]: unknown;
    } | undefined;
    icons?: {
        src: string;
        mimeType?: string | undefined;
        sizes?: string[] | undefined;
        theme?: import("zod/v4/core").$InferEnumOutput<{
            light: "light";
            dark: "dark";
        }> | undefined;
    }[] | undefined;
    title?: string | undefined;
}[];