import { CadDocument } from '../../../CadDocument.js';
import { ACadVersion } from '../../../ACadVersion.js';
import { DwgFileHeader } from '../FileHeaders/DwgFileHeader.js';
import { IDwgFileHeaderWriter } from './IDwgFileHeaderWriter.js';
export declare abstract class DwgFileHeaderWriterBase<T extends DwgFileHeader> implements IDwgFileHeaderWriter {
    fileHeader: T;
    abstract get fileHeaderSize(): number;
    abstract get handleSectionOffset(): number;
    get bytesWritten(): number;
    protected _document: CadDocument;
    protected _encoding: string;
    protected _stream: Uint8Array;
    protected _streamPosition: number;
    protected _version: ACadVersion;
    constructor(stream: Uint8Array, encoding: string, model: CadDocument, fileHeader: T);
    abstract addSection(name: string, stream: Uint8Array, isCompressed: boolean, decompsize?: number): void;
    abstract writeFile(): void;
    protected applyMagicSequence(buffer: Uint8Array, length: number): void;
    protected applyMask(buffer: Uint8Array, offset: number, length: number): void;
    protected checkEmptyBytes(buffer: Uint8Array, offset: number, spearBytes: number): boolean;
    protected getFileCodePage(): number;
    protected writeMagicNumber(): void;
    /** Write bytes to the output stream at current position */
    protected writeToStream(data: Uint8Array, offset?: number, length?: number): void;
    /** Write a 32-bit unsigned int to the output stream */
    protected writeUint32ToStream(value: number): void;
    /** Write a 32-bit signed int to the output stream */
    protected writeInt32ToStream(value: number): void;
    /** Write a 16-bit unsigned int to the output stream */
    protected writeUint16ToStream(value: number): void;
    /** Write a single byte to the output stream */
    protected writeByteToStream(value: number): void;
}
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