import { type USDLoadProgress } from "./usdLoadingOptions.js";
export interface WorkerAsset {
    bytes: Uint8Array;
    fileName: string;
    files?: Record<string, Uint8Array>;
    resolveByFileName: boolean;
    glueUrl?: string;
    wasmUrl?: string;
    dataUrl?: string;
}
export interface ExtractRequest {
    type: "extract";
    requestId: number;
    asset: WorkerAsset;
}
export interface WorkerTimings {
    totalMs: number;
    stageOpenMs: number;
    stageReadMs: number;
    preparationMs: number;
    packingMs: number;
    heapCopyMs: number;
}
export interface WorkerStatistics {
    nodes: number;
    meshes: number;
    analyticPrimitives: number;
    instances: number;
    materials: number;
    vertices: number;
    triangles: number;
    commandBytes: number;
    dataBytes: number;
}
export type WorkerResponse = {
    type: "progress";
    requestId: number;
    progress: USDLoadProgress;
} | {
    type: "log";
    requestId: number;
    level: number;
    message: string;
} | {
    type: "result";
    requestId: number;
    commands: ArrayBuffer;
    data: ArrayBuffer;
    timings: WorkerTimings;
    statistics: WorkerStatistics;
    missingAssets: string[];
} | {
    type: "error";
    requestId: number;
    message: string;
    stack?: string;
};