import { InworldPacket } from '../entities/packets/inworld_packet.entity.js';
import { ConnectionService } from './connection.service.js';
import { StateSerializationService } from './wrappers/state_serialization.service.js';
export declare class SessionStateService<InworldPacketT extends InworldPacket = InworldPacket> {
    private connection;
    private stateSerialization;
    private autoSaveIntervalId;
    private maxAttempts;
    private interactionEndTimeout;
    private isBlurred;
    private isSaving;
    private doNotSave;
    private sessionId;
    constructor(connection: ConnectionService, stateSerialization: StateSerializationService<InworldPacketT>);
    clear(): void;
    destroy(): void;
    static loadSessionState(): string;
    private onWindowBlur;
    private onWindowFocus;
    private tryToSaveState;
    private saveSessionState;
    private setAutoSaveInterval;
    private clearAutoSaveInterval;
    private clearInteractionEndTimeout;
}