Interface SurfaceGeometry

interface SurfaceGeometry {
    colorIds?: Uint32Array<ArrayBufferLike>;
    faceSourceIds?: Uint32Array<ArrayBufferLike>;
    indices: Uint32Array;
    materialGroups?: readonly MaterialGroup[];
    normals?: Float32Array<ArrayBufferLike>;
    positions: Float64Array<ArrayBufferLike> | Float32Array<ArrayBufferLike>;
    primitive: "triangles";
    uvs?: Float32Array<ArrayBufferLike>;
}