import { MixerConnection } from '../mixer-connection';
import { MixerStore } from '../state/mixer-store';
import { ChannelType } from '../types';
import { MasterChannel } from './master-channel';
/**
 * Represents a channel on the master bus that can be delayed (input, line and aux)
 */
export declare class DelayableMasterChannel extends MasterChannel {
    /** Delay value of the channel (between `0` and `500` ms) */
    readonly delay$: import('rxjs').Observable<number>;
    /** default delay value (ms) for input channels */
    private delayMaxValueMs;
    constructor(conn: MixerConnection, store: MixerStore, channelType: ChannelType, channel: number);
    /**
     * Set delay of the channel in millseconds.
     * Input channels allow a maximum of 250 ms, AUX master channels can be delayed by 500 ms.
     * @param ms delay in milliseconds
     */
    setDelay(ms: number): void;
    /**
     * Change the delay relatively by adding a value.
     * Input channels allow a maximum of 250 ms, AUX master channels can be delayed by 500 ms.
     * @param offsetMs value (ms) to add to the current value
     */
    changeDelay(offsetMs: number): void;
}