code: def create_link(self, initializers):
      mean, projection = initializers
      link = links.DecorrelatedBatchNormalization(
          self.n_channels,
          groups=self.groups,
          eps=self.eps,
          dtype=self.dtype,
      )
      link.cleargrads()
      if self.test:
          link.avg_mean[...] = mean
          link.avg_projection[...] = projection
      return link
  
imports: import contextlib
  import os
  import tempfile
  import unittest
  import numpy
  import chainer
  from chainer import links
  from chainer import testing
label_desc: Use image node_id 3 for calling the DecorrelatedBatchNormalizationTest obj's underlying member method code with example usage: obj.create_link(initializers) and returns: link