import { CmdList, CmdSet } from './commands';
import { ChanLayer } from '../chanLayer';
import { Channel } from '../channel';
import { ConsumerRegistry } from '../consumer/consumer';
import { ClJobs } from '../clJobQueue';
import { ConfigParams } from '../config';
export declare class BasicCmds implements CmdList {
    private readonly consumerRegistry;
    private readonly channels;
    private readonly clJobs;
    constructor(consumerRegistry: ConsumerRegistry, channels: Array<Channel>, clJobs: ClJobs);
    list(): CmdSet;
    parseParams(params: string[]): ConfigParams;
    /**
     * Loads a producer in the background and prepares it for playout. If no layer is specified the default layer index will be used.
     *
     * _clip_ will be parsed by available registered producer factories. If a successfully match is found, the producer will be loaded into the background.
     * If a file with the same name (extension excluded) but with the additional postfix _a is found this file will be used as key for the main clip.
     *
     * _loop_ will cause the clip to loop.
     * When playing and looping the clip will start at _frame_.
     * When playing and loop the clip will end after _frames_ number of frames.
     *
     * _auto_ will cause the clip to automatically start when foreground clip has ended (without play).
     * The clip is considered "started" after the optional transition has ended.
     *
     * Note: only one clip can be queued to play automatically per layer.
     */
    loadbg(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    /**
     * Loads a clip to the foreground and plays the first frame before pausing.
     * If any clip is playing on the target foreground then this clip will be replaced.
     */
    load(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    /**
     * Moves clip from background to foreground and starts playing it.
     * If a transition (see LOADBG) is prepared, it will be executed.
     * If additional parameters (see LOADBG) are provided then the provided clip will first be loaded to the background.
     */
    play(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    /**
     * Pauses playback of the foreground clip on the specified layer.
     * The RESUME command can be used to resume playback again.
     */
    pause(chanLay: ChanLayer, _params: string[]): Promise<boolean>;
    /** Resumes playback of a foreground clip previously paused with the PAUSE command. */
    resume(chanLay: ChanLayer, _params: string[]): Promise<boolean>;
    /** Removes the foreground clip of the specified layer */
    stop(chanLay: ChanLayer, _params: string[]): Promise<boolean>;
    /**
     * Removes all clips (both foreground and background) of the specified layer.
     * If no layer is specified then all layers in the specified video_channel are cleared.
     */
    clear(chanLay: ChanLayer, _params: string[]): Promise<boolean>;
    add(chanLay: ChanLayer, params: string[]): Promise<boolean>;
    remove(chanLay: ChanLayer, params: string[]): Promise<boolean>;
}