import type { StorageConfig } from "../types";
/**
 * Load feature flags from storage
 */
export declare function loadFromStorage<T extends Record<string, boolean>>(config: StorageConfig, defaults: T): Partial<T>;
/**
 * Save feature flags to storage
 */
export declare function saveToStorage<T extends Record<string, boolean>>(config: StorageConfig, flags: T): void;
/**
 * Listen to storage events for cross-tab synchronization
 */
export declare function onStorageChange<T extends Record<string, boolean>>(config: StorageConfig, callback: (flags: Partial<T>) => void): (() => void) | null;