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#ifndef APT_PRIVATE_HISTORY_H
#define APT_PRIVATE_HISTORY_H
#include <apt-pkg/cmndline.h>
#include <apt-pkg/history.h>
#include <apt-pkg/macros.h>
#include <apt-pkg/tagfile.h>
APT_PUBLIC bool DoHistoryInfo(CommandLine &Cmd);
APT_PUBLIC bool DoHistoryList(CommandLine &Cmd);
APT_PUBLIC bool DoHistoryRedo(CommandLine &Cmd);
APT_PUBLIC bool DoHistoryRollback(CommandLine &Cmd);
APT_PUBLIC bool DoHistoryUndo(CommandLine &Cmd);
namespace APT::Internal
{
using namespace History;
/**
* Flatten the changes contained within a history entry.
*
* This function extracts and returns a flat list of all changes
* from the given entry, preserving their order if applicable.
*
* @param entry A history entry containing a map of changes.
* @return A vector containing all individual changes from the entry.
*/
std::vector<Change> FlattenChanges(const Entry &entry);
/**
* Invert a change.
*
* This function inverts a change's effective action and version
* such that a change followed by its inverse has no effective change.
*
* @param change A transactional change.
* @return The given change's inverse.
*/
Change InvertChange(const Change &change);
} // namespace APT::Internal
#endif
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