import { AppOptions } from 'firebase-admin/app';
export interface FCMProviderEntity {
    name?: string;
    options?: AppOptions;
}
export type FCMSendType = 'all' | 'by-user';
export interface SendToMessageFCM {
    appName: string;
    title: string;
    message: string;
    type: FCMSendType;
    data: string;
    topic?: string;
}
export interface SendMulticastFCM extends SendToMessageFCM {
    deviceTokens: string[];
}
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