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diff --git a/compute_kernel_writer/prototype/include/ckw/Kernel.h b/compute_kernel_writer/prototype/include/ckw/Kernel.h
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+++ b/compute_kernel_writer/prototype/include/ckw/Kernel.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_PROTOTYPE_INCLUDE_CKW_KERNEL_H
+#define CKW_PROTOTYPE_INCLUDE_CKW_KERNEL_H
+
+#include "ckw/OperandBase.h"
+#include "ckw/Types.h"
+
+#include <map>
+#include <memory>
+#include <string>
+
+namespace ckw
+{
+
+namespace prototype
+{
+class GpuKernelWriterDataHolder;
+} // namespace prototype
+
+/** The target for kernel writer to write into. */
+class Kernel
+{
+public:
+    /** Constructor
+     *
+     * @param[in] name     The name of the kernel function.
+     * @param[in] language The programming language to write the kernel.
+     */
+    Kernel(const char *name, GpuTargetLanguage language);
+
+    /** Destructor */
+    ~Kernel();
+
+    /** Get the name of the kernel function. */
+    const std::string &name() const;
+
+    /** (Internal use only) Get the map from operand name to the operand declared in this kernel. */
+    const ::std::map<::std::string, ::std::unique_ptr<OperandBase>> &operands() const;
+
+    /** (Internal use only) Get the map from operand name to the operand declared in this kernel. */
+    ::std::map<::std::string, ::std::unique_ptr<OperandBase>> &operands();
+
+    /** (Internal use only) Get the implementation data. */
+    prototype::GpuKernelWriterDataHolder *impl();
+
+private:
+    ::std::string                                             _name;
+    ::std::unique_ptr<prototype::GpuKernelWriterDataHolder>   _kernel;
+    ::std::map<::std::string, ::std::unique_ptr<OperandBase>> _operands;
+};
+
+} // namespace ckw
+
+#endif // CKW_PROTOTYPE_INCLUDE_CKW_KERNEL_H