/**
 * System handler functions
 *
 * Handles export_library, get_project_info, get_quota, set_quota_tier, and cleanup_data tools.
 */
import type { HandlerContext } from "./types.js";
import type { ToolResult } from "../../types.js";
export declare function handleExportLibrary(ctx: HandlerContext, args: {
    format?: "json" | "csv";
    output_path?: string;
}): Promise<ToolResult<{
    file_path: string;
    format: string;
    notebook_count: number;
    size_bytes: number;
}>>;
export declare function handleGetProjectInfo(ctx: HandlerContext): Promise<ToolResult<{
    project: {
        id: string;
        name: string;
        path: string;
        type: string;
    } | null;
    library_path: string;
    is_project_library: boolean;
    detected_project: {
        id: string;
        name: string;
        path: string;
        type: string;
    } | null;
}>>;
export declare function handleGetQuota(ctx: HandlerContext, args?: {
    sync?: boolean;
}): Promise<ToolResult<{
    tier: string;
    notebooks: {
        used: number;
        limit: number;
        remaining: number;
        percent: number;
    };
    sources: {
        limit: number;
    };
    queries: {
        used: number;
        limit: number;
        remaining: number;
        percent: number;
        should_stop: boolean;
        reset_time: string;
    };
    warnings: string[];
    auto_detected: boolean;
    last_updated: string;
    synced_from_google: boolean;
    google_quota?: {
        used: number;
        limit: number;
    } | null;
    rate_limit_detected?: boolean;
}>>;
export declare function handleSetQuotaTier(_ctx: HandlerContext, args: {
    tier: "free" | "pro" | "ultra";
}): Promise<ToolResult<{
    tier: string;
    limits: {
        notebooks: number;
        sourcesPerNotebook: number;
        queriesPerDay: number;
    };
    message: string;
}>>;
export declare function handleCleanupData(_ctx: HandlerContext, args: {
    confirm: boolean;
    preserve_library?: boolean;
}): Promise<ToolResult<{
    status: string;
    mode: string;
    preview?: {
        categories: Array<{
            name: string;
            description: string;
            paths: string[];
            totalBytes: number;
            optional: boolean;
        }>;
        totalPaths: number;
        totalSizeBytes: number;
    };
    result?: {
        deletedPaths: string[];
        failedPaths: string[];
        totalSizeBytes: number;
        categorySummary: Record<string, {
            count: number;
            bytes: number;
        }>;
    };
}>>;