type NEEDLE_progressive_model_LOD = {
    /** path */
    path: string;
    hash?: string;
};
/** Base NEEDLE_progressive extension format. */
export type NEEDLE_progressive_ext = {
    /** id of the asset the lods belong to */
    guid: string;
    /** available lod level */
    lods: Array<NEEDLE_progressive_model_LOD>;
};
/** Texture LOD extension */
export type NEEDLE_ext_progressive_texture = NEEDLE_progressive_ext & {
    lods: Array<NEEDLE_progressive_model_LOD & {
        width: number;
        height: number;
    }>;
};
/** Mesh LOD extension */
export type NEEDLE_ext_progressive_mesh = NEEDLE_progressive_ext & {
    lods: Array<NEEDLE_progressive_model_LOD & {
        indexCount: number;
        vertexCount: number;
        /** Density per primitive */
        densities: number[] | undefined;
        /** @deprecated Use densities with the primitive index */
        density: number;
    }>;
    /** @deprecated Removed */
    density: number;
};
export {};