@pmndrs/bvh
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    Interface MeshLayoutResult

    interface MeshLayoutResult {
        builtBy: MeshLayoutBuilderKind;
        fallbackReason: string | null;
        layout: GpuLayoutMeshBvh;
    }
    Index
    fallbackReason: string | null

    Why tinybvh built this mesh although the GPU builder is in use, or null.