message: Documentation improvement. Added errors raised under the different situations.
diff: @@ -237,7 +237,11 @@ def Input( # pylint: disable=invalid-name
  ```
  Raises:
  - ValueError: in case of invalid arguments.
  + ValueError: If both `sparse` and `ragged` are provided.
  + ValueError: If both `shape` and (`batch_input_shape` or `batch_shape`) are
  + provided.
  + ValueError: If both `shape` and `tensor` are None.
  + ValueError: if any unrecognized parameters are provided.
  """
  if sparse and ragged:
  raise ValueError(
  