import type { BinaryReader } from "../utils/classes/BinaryReader";
import { Header } from "./models/Header";
import { DatFile } from "./models/DatFile";
export declare const INT32_NULL = 4278124286;
export declare const INT64_NULL = 18374403900871475000;
export declare type DatKeySelf = number | null;
export declare type DatKeyForeign = number | null;
export declare function readInteger(data: BinaryReader, size: number, unsigned: boolean): (offset: number) => number;
export declare function readDecimal(data: BinaryReader, size: number): (offset: number) => number;
export declare function readString(data: Uint8Array): (offset: number) => string;
export declare function isNULL(value: number, memsize: number): boolean;
export declare function getNULL(memsize: number): 4278124286 | 18374403900871475000;
export declare function readKeySelf(data: BinaryReader): (offset: number) => DatKeySelf;
export declare function readKeyForeign(data: BinaryReader): (offset: number) => DatKeyForeign;
export declare function getScalarReader(header: Header, datFile: DatFile): ((offset: number) => DatKeySelf) | ((offset: number) => boolean) | ((offset: number) => string);
export declare function getArrayReader(header: Header, datFile: DatFile): (offset: number) => (string | boolean | DatKeyForeign)[];
export declare function getFieldReader(header: Header, datFile: DatFile): (rowIdx: number) => string | boolean | DatKeySelf | (string | boolean | DatKeyForeign)[];
export declare function readColumn(header: Header, datFile: DatFile): (string | boolean | DatKeySelf | (string | boolean | DatKeyForeign)[])[];