code: def export(
      self, dtype: tf.DType = tf.uint8
  ) -> Tuple[tf.Tensor, tf.Tensor]:
      return (
          _export_maybe_limbs(self.p, dtype),
          _export_maybe_limbs(self.q, dtype),
      )
  
imports: from typing import Optional
  from typing import Tuple
  import tensorflow
  import tf_big
label_desc: Use image node_id 2 for calling the DecryptionKey obj's underlying member method code with example usage: obj.export(dtype) and returns: _export_maybe_limbs,  _export_maybe_limbs