import { MixerConnection } from '../mixer-connection';
import { MixerStore } from '../state/mixer-store';
import { ChannelType } from '../types';
import { PannableChannel, PostProcessableChannel } from './interfaces';
import { SendChannel } from './send-channel';
/**
 * Represents a channel on an AUX bus
 */
export declare class AuxChannel extends SendChannel implements PannableChannel, PostProcessableChannel {
    /** when the AUX bus is stereo-linked, this also contains the ID of this channel on the linked bus */
    private auxLinkChannelIds;
    /** PAN value of the AUX channel (between `0` and `1`) */
    readonly pan$: import('rxjs').Observable<number>;
    /** PRE/POST PROC state of the AUX channel (`false` for PRE PROC, `true` for POST PROC) */
    readonly postProc$: import('rxjs').Observable<boolean>;
    constructor(conn: MixerConnection, store: MixerStore, channelType: ChannelType, channel: number, bus: number);
    /**
     * Set PAN value of the AUX channel.
     * This only works for stereo-linked AUX buses, not for mono AUX.
     * @param value value between `0` and `1`
     */
    setPan(value: number): void;
    /**
     * Relatively change PAN value of the AUX channel.
     * This only works for stereo-linked AUX buses, not for mono AUX.
     * @param offset offset to change (final values are between `0` and `1`)
     */
    changePan(offset: number): void;
    /**
     * Set PRE/POST PROC state for the AUX channel
     * @param value POST PROC (`true`) or PRE PROC (`false`)
     */
    setPostProc(value: boolean): void;
    /** Set AUX channel to POST PROC */
    postProc(): void;
    /** Set AUX channel to PRE PROC */
    preProc(): void;
}