import type { ColumnCodec } from './column';
import type { BinaryReader } from '../protocol/binary_reader';
import type { BinaryWriter } from '../protocol/binary_writer';
export declare class Float32Codec implements ColumnCodec {
    read(reader: BinaryReader, rows: number): number[];
    write(writer: BinaryWriter, values: unknown[]): void;
}
export declare class Float64Codec implements ColumnCodec {
    read(reader: BinaryReader, rows: number): number[];
    write(writer: BinaryWriter, values: unknown[]): void;
}