}];

  let arguments = (ins
    Arg<TF_Tensor, [{Should be from a `Variable` node. May be uninitialized.}]>:$ref,
    Arg<TF_Tensor, [{The value to be assigned to the variable.}]>:$value,

    DefaultValuedOptionalAttr<BoolAttr, "true">:$validate_shape,
    DefaultValuedOptionalAttr<BoolAttr, "true">:$use_locking
  );

  let results = (outs

    previously `TF_Session` has been renamed to `TF_DeprecatedSession`.
*   C API: Renamed `TF_Port` to `TF_Output`.
*   C API: The caller retains ownership of `TF_Tensor` objects provided to
    `TF_Run`, `TF_SessionRun`, `TF_SetAttrTensor` etc.
*   Renamed `tf.image.per_image_whitening()` to
    `tf.image.per_image_standardization()`