import type { App as FirebaseApp } from "firebase-admin/app";
import { CustomSession, ISessionStoreAdapter, Session } from "../types";
interface FirebaseSessionAdapterOptions {
    collectionName: string;
    firebaseApp: FirebaseApp;
    /**
     * Whether to skip nested properties that are set to `undefined` during object serialization. If set to `true`, these properties are skipped and not written to Firestore. If set `false` or omitted, the SDK throws an exception when it encounters properties of type `undefined`.
     */
    ignoreUndefinedProperties?: boolean;
}
/**
 * A Firebase Session Adapter conforming to the `ISessionStoreAdapter` interface.
 * Fully working.
 */
export declare class FirebaseSessionAdapter implements ISessionStoreAdapter {
    private firApp;
    private firStore;
    private options;
    private getUniqId;
    constructor(options: FirebaseSessionAdapterOptions);
    setUniqIdGenerator(uniqIdGenerator: () => string): void;
    createSession(sessionData: CustomSession, expiresAt: Date | null, metas: {
        detectedIPAddress?: string | undefined;
        detectedUserAgent: string;
    }): Promise<Session>;
    readSessionById(sessionId: string): Promise<Session | null>;
    updateSessionById(sessionId: string, session: Session): Promise<boolean>;
    deleteSessionById(sessionId: string): Promise<boolean>;
}
export {};