export class Encoder {
    constructor();
    createFile(
        comments: Comments,
        file: string,
        rate: number,
        channels: number,
        family: number
    ): void;
    // Write out the header now rather than wait for audio to begin.
    flushHeader(): void;
    /**
     * Create a new OggOpus stream to be used along with.ope_encoder_get_page().
     * This is mostly useful for muxing with other streams.
     */
    createPull(rate: number, channels: number, family: number): void;
    // Add/encode any number of float samples to the file.
    writeFloat(value: Float32Array, samples: number): void;
    // Add/encode any number of int16 samples to the file.
    write(value: Int16Array, samples: number): void;
    // Finalizes the stream, but does not deallocate the object.
    drain(): void;
    // Ends the stream and create a new file.
    continueNewFile(path: string, comments: Comments): void;
    /**
     * Deferred initialization of the encoder to force an explicit channel mapping. This can be used to override the default channel coupling,
     * but using it for regular surround will almost certainly lead to worse quality.
     */
    deferredInitWithMapping(
        family: number,
        streams: number,
        coupled_streams: number,
        mapping: Uint8Array
    ): void;
    getPage(flush: boolean): Uint8Array;
    chainCurrent(comments: Comments): void;
    /**
     * get information
     */
    setApplication(value: number): void;
    setBitrate(value: number): void;
    setMaxBandwidth(value: number): void;
    setVbr(value: number): void;
    setBandwidth(value: number): void;
    setComplexity(value: number): void;
    setInbandFec(value: number): void;
    setPacketLossPerc(value: number): void;
    setDtx(value: number): void;
    setVbrConstraint(value: number): void;
    setForceChannels(value: number): void;
    setSignal(value: number): void;
    setLsbDepth(value: number): void;
    setExpertFrameDuration(value: number): void;
    setPredictionDisabled(value: number): void;
    setPhaseInversionDisabled(value: number): void;

    getApplication(): number;
    getBitrate(): number;
    getMaxBandwidth(): number;
    getVbr(): number;
    getBandwidth(): number;
    getComplexity(): number;
    getInbandFec(): number;
    getPacketLossPerc(): number;
    getDtx(): number;
    getVbrConstraint(): number;
    getForceChannels(): number;
    getSignal(): number;
    getLsbDepth(): number;
    getPredictionDisabled(): number;
}
export class Comments {
    add(key: string, tag: string): void;
}