import { ByteVector } from "../byteVector";
import { ILosslessAudioCodec, MediaTypes } from "../properties";
/**
 * Provides information about a FLAC audio stream.
 */
export default class FlacStreamHeader implements ILosslessAudioCodec {
    private readonly _audioChannels;
    private readonly _audioSampleRate;
    private readonly _bitsPerSample;
    private readonly _streamLength;
    private readonly _totalSamples;
    /**
     * Constructs and initializes a new instance by reading a raw stream header structure and using
     * the stream length.
     * @param data Object containing the raw stream header
     * @param streamLength Length of the stream, must be a safe, positive integer.
     */
    constructor(data: ByteVector, streamLength: number);
    /**
     * @inheritDoc
     * @remarks
     *     This value is calculated based on duration which may be zero if total number
     *     of samples is unknown. Therefore, the bitrate may be 0 indicating it is unknown.
     */
    get audioBitrate(): number;
    /** @inheritDoc */
    get audioChannels(): number;
    /** @inheritDoc */
    get audioSampleRate(): number;
    /** @inheritDoc */
    get bitsPerSample(): number;
    /** @inheritDoc */
    get description(): string;
    /**
     * @inheritDoc
     * @remarks
     *     This value is calculated based on total samples, which may be 0 if the number of
     *     samples is unknown. Therefore, the duration may be unknown.
     */
    get durationMilliseconds(): number;
    /** @inheritDoc */
    get mediaTypes(): MediaTypes;
}