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diff --git a/Source/CPack/cmCPackArchiveGenerator.h b/Source/CPack/cmCPackArchiveGenerator.h
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+++ b/Source/CPack/cmCPackArchiveGenerator.h
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+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmCPackArchiveGenerator_h
+#define cmCPackArchiveGenerator_h
+
+#include "cmConfigure.h" // IWYU pragma: keep
+
+#include "cmArchiveWrite.h"
+#include "cmCPackGenerator.h"
+
+#include <iosfwd>
+#include <string>
+
+class cmCPackComponent;
+
+/** \class cmCPackArchiveGenerator
+ * \brief A generator base for libarchive generation.
+ * The generator itself uses the libarchive wrapper
+ * \ref cmArchiveWrite.
+ *
+ */
+class cmCPackArchiveGenerator : public cmCPackGenerator
+{
+public:
+  typedef cmCPackGenerator Superclass;
+
+  /**
+   * Construct generator
+   */
+  cmCPackArchiveGenerator(cmArchiveWrite::Compress, std::string const& format);
+  ~cmCPackArchiveGenerator() override;
+  // Used to add a header to the archive
+  virtual int GenerateHeader(std::ostream* os);
+  // component support
+  bool SupportsComponentInstallation() const override;
+
+private:
+  // get archive component filename
+  std::string GetArchiveComponentFileName(const std::string& component,
+                                          bool isGroupName);
+
+protected:
+  int InitializeInternal() override;
+  /**
+   * Add the files belonging to the specified component
+   * to the provided (already opened) archive.
+   * @param[in,out] archive the archive object
+   * @param[in] component the component whose file will be added to archive
+   */
+  int addOneComponentToArchive(cmArchiveWrite& archive,
+                               cmCPackComponent* component);
+
+  /**
+   * The main package file method.
+   * If component install was required this
+   * method will call either PackageComponents or
+   * PackageComponentsAllInOne.
+   */
+  int PackageFiles() override;
+  /**
+   * The method used to package files when component
+   * install is used. This will create one
+   * archive for each component group.
+   */
+  int PackageComponents(bool ignoreGroup);
+  /**
+   * Special case of component install where all
+   * components will be put in a single installer.
+   */
+  int PackageComponentsAllInOne();
+  const char* GetOutputExtension() override = 0;
+  cmArchiveWrite::Compress Compress;
+  std::string ArchiveFormat;
+};
+
+#endif