import { type ByteRecorder } from '../ByteRecorder.js';
import { BufferAccess } from '../../../common/BufferAccess.js';
import { type RecorderInterface } from '../../recorder/RecorderInterface.js';
/**
 * Block size excluding checksum bytes
 */
export declare const blockSize = 256;
/**
 * Encoder for IBM PC 5150 cassette routines
 *
 * Format description: IBM 5150 Technical Reference 6025008, chapter 3-8
 */
export declare class Ibm5150Encoder implements ByteRecorder {
    private readonly oscillator;
    constructor(recorder: RecorderInterface);
    begin(): void;
    end(): void;
    recordSyncSequence(): void;
    recordBlock(data: BufferAccess): void;
    recordEndOfDataSequence(): void;
    /**
     * Pause to insert between BASIC header block and successive data blocks
     */
    recordGap(): void;
    recordByte(byte: number): void;
    recordBit(value: number): void;
}