/**
 * EPG Cache Service
 * Caches EPG data locally to reduce API calls
 */
import type { EPGProgram, EPGCacheEntry } from '../types';
/**
 * EPG Cache Storage Interface
 * Implementations: localStorage (web), AsyncStorage (mobile)
 */
export interface EPGCacheStorage {
    save(entry: EPGCacheEntry): Promise<void> | void;
    load(channelId: string): Promise<EPGCacheEntry | null> | EPGCacheEntry | null;
    loadAll(): Promise<EPGCacheEntry[]> | EPGCacheEntry[];
    clear(): Promise<void> | void;
    remove(channelId: string): Promise<void> | void;
}
/**
 * EPG Cache Service
 */
export declare class EPGCacheService {
    private storage;
    private cacheTTL;
    constructor(storage: EPGCacheStorage, cacheTTL?: number);
    /**
     * Get cached EPG for a channel
     */
    get(channelId: string): Promise<EPGProgram[] | null>;
    /**
     * Cache EPG data for a channel
     */
    set(channelId: string, programs: EPGProgram[]): Promise<void>;
    /**
     * Batch cache EPG data for multiple channels
     */
    setBatch(channelEPGMap: Map<string, EPGProgram[]>): Promise<void>;
    /**
     * Clear expired cache entries
     */
    clearExpired(): Promise<void>;
    /**
     * Get all cached channel IDs
     */
    getCachedChannelIds(): Promise<string[]>;
    /**
     * Check if channel has valid cached data
     */
    hasValidCache(channelId: string): Promise<boolean>;
    /**
     * Clear all cache
     */
    clear(): Promise<void>;
    /**
     * Remove cache for a specific channel
     */
    remove(channelId: string): Promise<void>;
}
/**
 * LocalStorage implementation for web
 */
export declare class LocalStorageEPGCache implements EPGCacheStorage {
    private keyPrefix;
    private getKey;
    save(entry: EPGCacheEntry): void;
    load(channelId: string): EPGCacheEntry | null;
    loadAll(): EPGCacheEntry[];
    clear(): void;
    remove(channelId: string): void;
}
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