/**
 * Event name dispatched when limits are updated via SSE.
 * Other components can listen to this event to get real-time updates.
 */
export declare const LIMITS_UPDATED_EVENT = "grafana-assistant-limits-updated";
/**
 * Detail payload for the LIMITS_UPDATED_EVENT custom event.
 */
export interface LimitsUpdatedEventDetail {
    count: number;
    limit: number;
}
/**
 * Result type for limits data.
 */
export interface LimitsData {
    /** Current prompt count for the month */
    count: number;
    /** Monthly prompt limit (0 = unlimited) */
    limit: number;
    /** Current month in YYYY-MM format */
    month: string;
    /** Whether the limit has been reached */
    isLimitReached: boolean;
}
/**
 * Checks whether the user has reached their monthly prompt limit.
 *
 * @returns A promise that resolves to `true` if limits are reached, `false` otherwise
 * @throws Error if the API call fails
 *
 * @example
 * ```typescript
 * import { checkLimits } from '@grafana/assistant';
 *
 * const data = await checkLimits();
 * if (data.isLimitReached) {
 *   console.log('Monthly limit reached');
 * }
 * ```
 */
export declare function checkLimits(): Promise<LimitsData>;
/**
 * React hook to check user prompt limits.
 * Automatically fetches limits data on mount and listens to real-time updates
 * via the LIMITS_UPDATED_EVENT custom event.
 *
 * @returns An object containing limit data, loading state, error state, and refetch function
 *
 * @example
 * ```typescript
 * import { useLimits } from '@grafana/assistant';
 *
 * function MyComponent() {
 *   const { count, limit, isLimitReached, loading, error, refetch } = useLimits();
 *
 *   if (loading) return <div>Loading...</div>;
 *   if (error) return <div>Error: {error}</div>;
 *   if (isLimitReached) return <div>Monthly limit reached ({count}/{limit})</div>;
 *   return <div>Prompts used: {count}/{limit || 'unlimited'}</div>;
 * }
 * ```
 */
export declare function useLimits(): {
    count: number;
    limit: number;
    month: string;
    isLimitReached: boolean;
    loading: boolean;
    error: string | null;
    refetch: () => Promise<void>;
};
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