export declare class Invalid {
    message: string;
    rootValue: any;
    langValue: any;
    constructor(message: string, rootValue: any, langValue: any);
    get lang(): any;
}
export declare class NotFoundError extends Invalid {
    constructor(path: string, key: string, rootValue: any, langValue: any);
}
export declare class OutOfSyncError extends Invalid {
    constructor(path: string, key: string, rootValue: any, langValue: any);
}