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diff --git a/compute_kernel_writer/include/ckw/OperandBase.h b/compute_kernel_writer/include/ckw/OperandBase.h
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+++ b/compute_kernel_writer/include/ckw/OperandBase.h
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+/*
+ * Copyright (c) 2023 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 CKW_INCLUDE_CKW_OPERANDBASE_H
+#define CKW_INCLUDE_CKW_OPERANDBASE_H
+
+#include "ckw/Types.h"
+#include <string>
+
+namespace ckw
+{
+namespace prototype
+{
+class IGpuKernelWriter;
+class Operand;
+} // namespace prototype
+
+/** The base class for all operands. */
+class OperandBase
+{
+public:
+    /** Constructor
+     *
+     * @param[in] name The name of the operand.
+     */
+    explicit OperandBase(const ::std::string &name);
+
+    /** Destructor */
+    virtual ~OperandBase();
+
+    /** (Internal use only) Create the implementation operand.
+     *
+     * @param[in] writer The implementation kernel writer.
+     */
+    virtual prototype::Operand create_impl_operand(prototype::IGpuKernelWriter *writer) const = 0;
+
+    /** Get the name of the operand. */
+    const ::std::string &name() const;
+
+    /** Set the name of the operand. */
+    OperandBase &name(const ::std::string &name);
+
+    /** Get the data type of the operand. */
+    virtual DataType data_type() const = 0;
+
+    /** Get whether the operand is compile-time constant. */
+    virtual bool is_constant() const = 0;
+
+private:
+    ::std::string _name;
+};
+
+} // namespace ckw
+
+#endif // CKW_INCLUDE_CKW_OPERANDBASE_H