why num_feature_levels is 1 in _make_dinov3_detector in dinov3/hub/detectors.py, sould it be 4?

[YifengDeng1]

def _make_dinov3_detector( *, backbone_name: str, pretrained: bool = True, detector_weights: str | DetectionWeights, backbone_weights: str | BackboneWeights, check_hash: bool = False, **kwargs, ): detection_kwargs = dict( with_box_refine=True, two_stage=True, mixed_selection=True, look_forward_twice=True, k_one2many=6, lambda_one2many=1.0, num_queries_one2one=1500, num_queries_one2many=1500, reparam=True, position_embedding=PositionEncoding.SINE, num_feature_levels=1,