input_handle: the input list
tensor: the gathered result
num_elements: optional. If not -1, the number of elements in the list.
  }];

  let arguments = (ins
    TF_VariantTensor:$input_handle,
    TF_Int32Tensor:$element_shape,

    DefaultValuedOptionalAttr<I64Attr, "-1">:$num_elements
  );

  let results = (outs
    TF_Tensor:$tensor
  );

		{"CertRevocationInfo.Size", Field, 0},
		{"CertSimpleChain", Type, 0},
		{"CertSimpleChain.Elements", Field, 0},
		{"CertSimpleChain.HasRevocationFreshnessTime", Field, 0},
		{"CertSimpleChain.NumElements", Field, 0},
		{"CertSimpleChain.RevocationFreshnessTime", Field, 0},
		{"CertSimpleChain.Size", Field, 0},
		{"CertSimpleChain.TrustListInfo", Field, 0},
		{"CertSimpleChain.TrustStatus", Field, 0},