import { ExportConfiguration } from "./EngineProcessorAttachment";
export interface OfflineEngineInitializeConfig {
    sampleRate: number;
    numberOfChannels: number;
    processorsUrl: string;
    syncStreamBuffer: SharedArrayBuffer;
    controlFlagsBuffer: SharedArrayBuffer;
    project: ArrayBufferLike;
    exportConfiguration?: ExportConfiguration;
}
export interface OfflineEngineRenderConfig {
    silenceThresholdDb?: number;
    silenceDurationSeconds?: number;
    maxDurationSeconds?: number;
}
export interface OfflineEngineProtocol {
    initialize(enginePort: MessagePort, config: OfflineEngineInitializeConfig): Promise<void>;
    addModule(code: string): Promise<void>;
    render(config: OfflineEngineRenderConfig): Promise<Float32Array[]>;
    step(samples: number): Promise<Float32Array[]>;
    stop(): void;
}
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