class_docstr: DeformableDETR model for object detection task.
code: def build_flax_model(self):
      return DeformableDETR(
          num_classes=self.config.num_classes,
          embed_dim=self.config.embed_dim,
          enc_embed_dim=self.config.enc_embed_dim,
          num_queries=self.config.num_queries,
          num_heads=self.config.num_heads,
          num_enc_layers=self.config.num_encoder_layers,
          num_dec_layers=self.config.num_decoder_layers,
          num_feature_levels=self.config.num_feature_levels,
          num_enc_points=self.config.num_enc_points,
          num_dec_points=self.config.num_dec_points,
          backbone_num_filters=self.config.backbone_num_filters,
          backbone_num_layers=self.config.backbone_num_layers,
          transformer_ffn_dim=self.config.transformer_ffn_dim,
          dropout=self.config.dropout_rate,
          compiler_config=self.config.compiler_config,
          dtype=jnp.float32,
      )
  
imports: import math
  from typing import Any, Dict, Optional, Sequence, Tuple, Union
  from absl import logging
  import flax.linen
  import jax
  import jax.numpy
  import ml_collections
  from scenic.model_lib import matchers
  from scenic.model_lib.base_models import base_model
  from scenic.model_lib.base_models import box_utils
  from scenic.model_lib.base_models import model_utils
  from scenic.projects.baselines.deformable_detr.backbone import DeformableDETRBackbone
  from scenic.projects.baselines.deformable_detr.backbone import InputPosEmbeddingSine
  from scenic.projects.baselines.deformable_detr.backbone import mask_for_shape
  from scenic.projects.baselines.deformable_detr.deformable_transformer import BBoxCoordPredictor
  from scenic.projects.baselines.deformable_detr.deformable_transformer import DeformableDETRTransformer
  from scenic.projects.baselines.deformable_detr.deformable_transformer import inverse_sigmoid
  from scenic.projects.baselines.deformable_detr.deformable_transformer import pytorch_kernel_init
label_desc: Use image node_id 2 for calling the DeformableDETRModel obj's underlying member method code with example usage: obj.build_flax_model() and returns: DeformableDETR