code: def __init__(
      self,
      decoder_layer,
      num_layers,
      start_q=None,
      end_q=None,
      return_intermediate=False,
  ):
      super(QRDeformableTransformerDecoder, self).__init__(
          decoder_layer,
          num_layers,
          return_intermediate=return_intermediate,
      )
      self.start_q = start_q
      self.end_q = end_q
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddle import ParamAttr
  from ppdet.core.workspace import register
  from ..layers import MultiHeadAttention
  from .position_encoding import PositionEmbedding
  from .utils import _get_clones, get_valid_ratio
  from ..initializer import linear_init_, constant_, xavier_uniform_, normal_
label_desc: Use image node_id 1 to create a new QRDeformableTransformerDecoder object from inherited base classes: DeformableTransformerDecoder with example: obj = QRDeformableTransformerDecoder(decoder_layer, num_layers, start_q, end_q, return_intermediate)