import type { PushResult } from '@stacksjs/types';
/**
 * Configure FCM with server key or service account
 */
export declare function configure(options: FCMConfig): void;
/**
 * Send push notification via FCM Legacy API (using server key)
 */
export declare function sendLegacy(message: FCMMessage): Promise<PushResult>;
/**
 * Send push notification via FCM v1 API (using service account)
 */
export declare function send(message: FCMMessage): Promise<PushResult>;
/**
 * Send to multiple tokens
 */
export declare function sendMulticast(tokens: string[], message: Omit<FCMMessage, 'to' | 'registrationIds'>): Promise<PushResult[]>;
/**
 * Send to a topic
 */
export declare function sendToTopic(topic: string, message: Omit<FCMMessage, 'to' | 'registrationIds' | 'topic'>): Promise<PushResult>;
/**
 * Subscribe tokens to a topic
 */
export declare function subscribeToTopic(tokens: string[], topic: string): Promise<boolean>;
/**
 * Unsubscribe tokens from a topic
 */
export declare function unsubscribeFromTopic(tokens: string[], topic: string): Promise<boolean>;
declare const __dtsx_default_export__: {
  send: typeof send;
  sendLegacy: typeof sendLegacy;
  sendMulticast: typeof sendMulticast;
  sendToTopic: typeof sendToTopic;
  subscribeToTopic: typeof subscribeToTopic;
  unsubscribeFromTopic: typeof unsubscribeFromTopic;
  configure: typeof configure
};
export declare interface FCMMessage {
  to?: string
  registrationIds?: string[]
  topic?: string
  condition?: string
  notification?: {
    title: string
    body: string
    icon?: string
    image?: string
    sound?: string
    badge?: string
    clickAction?: string
    tag?: string
  }
  data?: Record<string, string>
  priority?: 'high' | 'normal'
  ttl?: number
  collapseKey?: string
}
export declare interface FCMConfig {
  serverKey?: string
  projectId?: string
  serviceAccount?: {
    clientEmail: string
    privateKey: string
  }
}
export declare interface FCMResponse {
  multicastId?: number
  success: number
  failure: number
  results?: Array<{
    messageId?: string
    error?: string
  }>
}
export { send as Send };
export default __dtsx_default_export__;