diff -r 30cb5e836736 -r 0abada2a9802 src/libraries.h
--- a/src/libraries.h	Sat Feb 01 17:20:10 2020 +0200
+++ b/src/libraries.h	Sun Feb 02 00:30:48 2020 +0200
@@ -38,6 +38,8 @@
 	constexpr static const Role allRoles[] = {OfficialLibrary, UnofficialLibrary, WorkingLibrary};
 };
 
+bool operator==(const Library& one, const Library& other);
+
 Q_DECLARE_METATYPE(Library)
 Q_DECLARE_METATYPE(Library::Role)
 QDataStream &operator<<(QDataStream&, const Library&);
@@ -46,12 +48,14 @@
 using Libraries = QVector<Library>;
 Q_DECLARE_METATYPE(Libraries)
 
+class Configuration;
+
 class LibraryManager : public QAbstractTableModel
 {
 	Q_OBJECT
 public:
 	LibraryManager(QObject* parent = nullptr);
-	LibraryManager(QSettings* settings, QObject* parent = nullptr);
+	LibraryManager(Configuration* settings, QObject* parent = nullptr);
 	QVector<Library>::const_iterator begin() const;
 	QVector<Library>::const_iterator end() const;
 	QString findFile(QString fileName) const;
@@ -60,8 +64,8 @@
 	const Library& library(int libraryIndex) const;
 	void setLibraryPath(int libraryIndex, const QDir& path);
 	void setLibraryRole(int libraryIndex, const Library::Role role);
-	void restoreFromSettings(QSettings* settings);
-	void storeToSettings(QSettings* settings);
+	void restoreFromSettings(Configuration* settings);
+	void storeToSettings(Configuration* settings);
 	int count() const;
 	void moveLibrary(const int libraryFromIndex, const int libraryToIndex);
 	// Definitions for QAbstractTableModel