export declare var decode_base64: (input: any) => any[];
export declare var encode_base64: (array: any, shape: any) => {
    __ndarray__: any;
    shape: any;
    dtype: any;
};
export declare var decode_column_data: (data: any) => {}[];
export declare var encode_column_data: (data: any, shapes: any) => {};
