import type { Redis } from 'ioredis';
import type { IPreferenceStore, NotificationPreferences, NotificationPayload } from './notifications.types.js';
export interface ExtendedNotificationPreferences extends NotificationPreferences {
    categories?: Record<string, CategoryPreference>;
    frequency?: FrequencyLimits;
    digest?: DigestConfig;
    quietHours?: QuietHoursConfig;
    allowUrgent?: boolean;
}
export interface CategoryPreference {
    enabled: boolean;
    channels?: string[];
    frequency?: FrequencyLimits;
}
export interface FrequencyLimits {
    maxPerMinute?: number;
    maxPerHour?: number;
    maxPerDay?: number;
}
export interface DigestConfig {
    enabled: boolean;
    frequency: 'daily' | 'weekly' | 'monthly';
    sendAt?: string;
    dayOfWeek?: number;
    dayOfMonth?: number;
    categories?: string[];
}
export interface QuietHoursConfig {
    enabled: boolean;
    start: string;
    end: string;
    timezone?: string;
    exceptions?: string[];
}
export interface RedisPreferenceStoreOptions {
    keyPrefix?: string;
    defaultPreferences?: Partial<ExtendedNotificationPreferences>;
    counterTTL?: number;
}
export declare class RedisPreferenceStore implements IPreferenceStore {
    private readonly redis?;
    private readonly keyPrefix;
    private readonly defaultPreferences;
    private readonly counterTTL;
    private static readonly MAX_MEMORY_PREFERENCES;
    private static readonly MAX_MEMORY_COUNTERS;
    private readonly memoryStore;
    private readonly counterStore;
    constructor(redis?: Redis | undefined, options?: RedisPreferenceStoreOptions);
    getPreferences(recipientId: string): Promise<ExtendedNotificationPreferences | null>;
    setPreferences(recipientId: string, preferences: Partial<ExtendedNotificationPreferences>): Promise<void>;
    updatePreferences(recipientId: string, updates: Partial<ExtendedNotificationPreferences>): Promise<void>;
    deletePreferences(recipientId: string): Promise<void>;
    shouldSend(recipientId: string, payload: NotificationPayload, channel: string): Promise<{
        allowed: boolean;
        reason?: string;
    }>;
    recordSent(recipientId: string, category?: string): Promise<void>;
    getDefaultPreferences(): ExtendedNotificationPreferences;
    private buildKey;
    private mergePreferences;
    private checkQuietHours;
    private isInQuietHours;
    private getCurrentMinutesInTimezone;
    private parseTimeToMinutes;
    private checkFrequencyLimits;
}
//# sourceMappingURL=redis-preference-store.d.ts.map