import type { ColumnCodec } from './column';
import type { BinaryReader } from '../protocol/binary_reader';
import type { BinaryWriter } from '../protocol/binary_writer';
export declare class DecimalCodec implements ColumnCodec {
    private readonly precision;
    private readonly scale;
    private readonly scaleFactor;
    constructor(precision: number, scale: number);
    private get byteSize();
    read(reader: BinaryReader, rows: number): string[];
    write(writer: BinaryWriter, values: unknown[]): void;
    private formatDecimal;
    private parseDecimal;
}