import type { ConnectionStatus, GrantPayload } from "../core/types.js";
/**
 * Configuration for the {@link useVanaData} hook.
 */
export interface UseVanaDataConfig {
    /** URL of the connect API route (default: `"/api/connect"`). */
    connectUrl?: string;
    /** URL of the data API route (default: `"/api/data"`). */
    dataUrl?: string;
    /** Polling interval in ms passed to {@link useVanaConnect} (default: 2000). */
    pollingInterval?: number;
    /** SDK environment passed through to {@link useVanaConnect}. */
    environment?: "dev" | "prod";
    /** When true, automatically fetches data after grant approval (default: `true`). */
    autoFetch?: boolean;
}
/**
 * Return value of the {@link useVanaData} hook.
 */
export interface UseVanaDataResult {
    /** Current connection status. */
    status: ConnectionStatus;
    /** Grant payload after user approval, or `null`. */
    grant: GrantPayload | null;
    /** Fetched data after calling the data route, or `null`. */
    data: unknown;
    /** Error message, or `null`. */
    error: string | null;
    /** URL to account.vana.org where the user signs in and launches Data Connect, or `null`. */
    connectUrl: string | null;
    /** Opens the connect URL in a new tab. Use this instead of rendering the URL directly to avoid navigating away from your app. */
    openConnect: () => void;
    /** Starts the connect flow by calling the connect API route. */
    initConnect: () => Promise<void>;
    /** Manually fetches data using the current grant. */
    fetchData: () => Promise<void>;
    /** Resets all state back to idle. */
    reset: () => void;
    /** `true` while any async operation is in progress. */
    isLoading: boolean;
    /** `true` when status is `"approved"`. */
    isConnected: boolean;
}
/**
 * @deprecated For current Account browser approval, use `useDirectVanaConnect`
 * from `@opendatalabs/vana-sdk/react`. This hook uses legacy Session Relay.
 *
 * Full-flow hook that orchestrates the entire Vana Connect lifecycle:
 * session init, polling, and data fetching.
 *
 * Composes {@link useVanaConnect} internally and adds automatic
 * calls to your app's `/api/connect` and `/api/data` routes.
 *
 * @param config - Optional configuration.
 * @returns A {@link UseVanaDataResult} with state and actions.
 *
 * @example
 * ```tsx
 * import { useVanaData } from "vana-cli/react";
 *
 * function MyComponent() {
 *   const { status, data, deepLinkUrl, initConnect, isLoading } = useVanaData();
 *
 *   if (status === "idle") return <button onClick={initConnect}>Connect</button>;
 *   if (status === "waiting") return <a href={deepLinkUrl!}>Open Vana</a>;
 *   if (data) return <pre>{JSON.stringify(data, null, 2)}</pre>;
 *   return <p>{isLoading ? "Loading..." : status}</p>;
 * }
 * ```
 */
export declare function useVanaData(config?: UseVanaDataConfig): UseVanaDataResult;
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