}

def DecomposeOptionalsPass : Pass<"tf-decompose-optionals", "ModuleOp"> {
  let summary = "Decomposes ops of the 'Optional' family";
  let description = [{
    Turns OptionalFromValue, OptionalGetValue, OptionalNone,
    and OptionalHasValue into identities.

    For example, if we have:

      %1 = "tf.OptionalFromValue"(%0) : (tensor<f32>) -> !tf_type.variant