export declare abstract class SdkgenError extends Error {
    get type(): string;
    toJSON(): {
        message: string;
        type: string;
    };
}
export declare abstract class SdkgenErrorWithData<DataType> extends SdkgenError {
    data: DataType;
    constructor(message: string, data: DataType);
    toJSON(): {
        data: DataType;
        message: string;
        type: string;
    };
}
export declare class Fatal extends SdkgenError {
}