import { SessionToken } from '../../entities/session_token.entity';
export interface getSessionStateProps {
    sessionToken: SessionToken;
    scene: string;
}
export interface SessionState {
    state?: string;
    stateU8?: Uint8Array;
    creationTime?: string;
    version?: {
        interactionId?: string;
    };
}
export declare class StateSerializationClientGrpcService {
    private readonly config;
    private readonly address;
    private readonly ssl;
    private readonly client;
    private logger;
    getSessionState(props: getSessionStateProps): Promise<SessionState>;
    private getMetadata;
}