TF_CAPI_EXPORT extern void TF_OperationGetAttrTensorShapeProtoList(
    TF_Operation* oper, const char* attr_name, TF_Buffer** values,
    int max_values, TF_Status* status);

// Gets the TF_Tensor valued attribute of `attr_name` of `oper`.
//
// Allocates a new TF_Tensor which the caller is expected to take
// ownership of (and can deallocate using TF_DeleteTensor).