/**
 * Feature Flag Store Integration
 *
 * Utilities for integrating feature flags with Zustand stores.
 * Implements the "pull" pattern where stores fetch from services.
 */
import type { FeatureFlagValue, FeatureFlagContext } from '@plyaz/types/features';
export type { CoreFeatureFlagServiceLike, CoreFeatureFlagFetcherOptions, CoreFeatureFlagStoreInitConfig, } from '@plyaz/types/core';
import type { CoreFeatureFlagFetcherOptions, CoreFeatureFlagStoreInitConfig } from '@plyaz/types/core';
/**
 * Create a fetchFn for feature flag store that uses ServiceRegistry.
 *
 * This bridges the ServiceRegistry with the store's callback-based pattern.
 * Use this for polling or manual refresh scenarios.
 *
 * @param options - Fetcher options
 * @returns A function compatible with store initialization
 *
 * @example
 * ```typescript
 * // Basic usage
 * const fetchFn = createFeatureFlagFetcher();
 *
 * // With context
 * const fetchFn = createFeatureFlagFetcher({
 *   context: { userId: currentUser.id },
 * });
 *
 * // Use in store initializer
 * useFeatureFlagInitializer({ fetchFn });
 * ```
 */
export declare function createFeatureFlagFetcher(options?: CoreFeatureFlagFetcherOptions): () => Promise<Record<string, FeatureFlagValue>>;
/**
 * Create full store initialization config with ServiceRegistry integration.
 *
 * @param options - Configuration options
 * @returns Config object for store initialization
 *
 * @example
 * ```typescript
 * const storeConfig = createFeatureFlagStoreConfig({
 *   context: { userId: user.id },
 *   defaults: { 'MY_FLAG': false },
 *   polling: { enabled: true, interval: 30000 },
 *   onFlagChange: (key, prev, next) => console.log(`${key}: ${prev} → ${next}`),
 * });
 *
 * useFeatureFlagInitializer(storeConfig);
 * ```
 */
export declare function createFeatureFlagStoreConfig(options: {
    serviceKey?: string;
    context?: FeatureFlagContext;
    defaults?: Record<string, FeatureFlagValue>;
    polling?: {
        enabled?: boolean;
        interval?: number;
    };
    onFlagChange?: (key: string, prevValue: FeatureFlagValue | undefined, newValue: FeatureFlagValue) => void;
    onError?: (error: unknown) => void;
}): CoreFeatureFlagStoreInitConfig;
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