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diff --git a/arm_compute/AclUtils.h b/arm_compute/AclUtils.h
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+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_ACL_UTILS_H_
+#define ARM_COMPUTE_ACL_UTILS_H_
+
+#include "arm_compute/AclTypes.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /** __cplusplus */
+
+    /** Get the size of the existing tensor in byte
+ *
+ * @note The size isn't based on allocated memory, but based on information in its descriptor (dimensions, data type, etc.).
+ *
+ * @param[in]  tensor A tensor in interest
+ * @param[out] size   The size of the tensor
+ *
+ * @return Status code
+ *
+ *  - @ref AclSuccess if function was completed successfully
+ *  - @ref AclInvalidArgument if a given argument is invalid
+ */
+    AclStatus AclGetTensorSize(AclTensor tensor, uint64_t *size);
+
+    /** Get the descriptor of this tensor
+ *
+ * @param[in]  tensor A tensor in interest
+ * @param[out] desc   The descriptor of the tensor
+ *
+ * @return Status code
+ *
+ *  - @ref AclSuccess if function was completed successfully
+ *  - @ref AclInvalidArgument if a given argument is invalid
+ */
+    AclStatus AclGetTensorDescriptor(AclTensor tensor, AclTensorDescriptor *desc);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ARM_COMPUTE_ACL_UTILS_H_ */