import { int, Nullable, Terminable, UUID } from "@opendaw/lib-std";
import { AudioData, ppqn } from "@opendaw/lib-dsp";
import { ClipSequencingUpdates } from "./ClipNotifications";
import { NoteSignal } from "./NoteSignal";
import type { SoundFont2 } from "soundfont2";
export type MonitoringMapEntry = {
    uuid: UUID.Bytes;
    channels: ReadonlyArray<int>;
};
export interface EngineCommands extends Terminable {
    play(): void;
    stop(reset: boolean): void;
    setPosition(position: ppqn): void;
    /** @internal */
    prepareRecordingState(countIn: boolean): void;
    /** @internal */
    stopRecording(): void;
    queryLoadingComplete(): Promise<boolean>;
    panic(): void;
    noteSignal(signal: NoteSignal): void;
    /** @internal */
    ignoreNoteRegion(uuid: UUID.Bytes): void;
    scheduleClipPlay(clipIds: ReadonlyArray<UUID.Bytes>): void;
    scheduleClipStop(trackIds: ReadonlyArray<UUID.Bytes>): void;
    /** @internal */
    setupMIDI(port: MessagePort, buffer: SharedArrayBuffer): void;
    loadClickSound(index: 0 | 1, data: AudioData): void;
    setFrozenAudio(uuid: UUID.Bytes, audioData: Nullable<AudioData>): void;
    /** @internal */
    updateMonitoringMap(map: ReadonlyArray<MonitoringMapEntry>): void;
}
export interface EngineToClient {
    log(message: string): void;
    error(reason: unknown): void;
    deviceMessage(uuid: string, message: string): void;
    fetchAudio(uuid: UUID.Bytes): Promise<AudioData>;
    fetchSoundfont(uuid: UUID.Bytes): Promise<SoundFont2>;
    fetchNamWasm(): Promise<ArrayBuffer>;
    notifyClipSequenceChanges(changes: ClipSequencingUpdates): void;
    switchMarkerState(state: Nullable<[UUID.Bytes, int]>): void;
    ready(): void;
}
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