code: def export(self, dtype: tf.DType = tf.uint8) -> tf.Tensor:
      return _export_maybe_limbs(self.raw, dtype=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 Ciphertext obj's underlying member method code with example usage: obj.export(dtype) and returns: _export_maybe_limbs