import { CmdList, CmdSet } from './commands';
import { ChanLayer } from '../chanLayer';
import { Channel } from '../channel';
export declare class MixerCmds implements CmdList {
    private readonly channels;
    constructor(channels: Array<Channel>);
    list(): CmdSet;
    /**
     * Changes the anchor point of the specified layer, or returns the current values if no arguments are given.
     */
    anchor(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    /**
     * Scales/positions the video stream on the specified layer.
     * The concept is quite simple; it comes from the ancient DVE machines like ADO.
     * Imagine that the screen has a size of 1x1 (not in pixel, but in an abstract measure).
     * Then the coordinates of a full size picture is 0 0 1 1, which means
     *   left edge is at coordinate 0, top edge at coordinate 0,
     *   width full size = 1, height full size = 1.
     * If you want to crop the picture on the left side (for wipe left to right), you set the
     * left edge to full right => 1 and the width to 0. So this give you the start-coordinates of 1 0 0 1.
     * End coordinates of any wipe are always the full picture 0 0 1 1.
     */
    fill(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    /**
     * Returns or modifies the angle of which a layer is rotated by (clockwise degrees) around the point specified by MIXER ANCHOR.
     */
    rotation(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    volume(chanLay: ChanLayer, params: string[]): Promise<boolean>;
}