classDiagram
    class RoleCombineModel {
        +RoleCombineModel(QAbstractItemModel* major, QAbstractItemModel* minor, QObject* parent)
        +rowCount(const QModelIndex &parent) const
        +columnCount(const QModelIndex &parent) const
        +index(int row, int column, const QModelIndex &parent) const
        +parent(const QModelIndex &child) const
        +roleNames() const
        // Many signal/slot lambdas now use Q_UNUSED for unused parameters
    }
    class DockGlobalElementModel {
        +DockGlobalElementModel(QAbstractItemModel *appsModel, DockPanel *panel, QObject *parent)
        +rowCount(const QModelIndex &parent) const
        +columnCount(const QModelIndex &parent) const
        +index(int row, int column, const QModelIndex &parent) const
        +parent(const QModelIndex &child) const
        // Many signal/slot lambdas now use Q_UNUSED for unused parameters
    }
    class DockItemModel {
        +rowCount(const QModelIndex &parent) const
        +columnCount(const QModelIndex &parent) const
        +index(int row, int column, const QModelIndex &parent) const
        +parent(const QModelIndex &child) const
        // Q_UNUSED added for parent/child parameters
    }
    class DockGroupModel {
        +requestOpenUrls(const QModelIndex &index, const QList<QUrl> &urls) const
        +requestUpdateWindowGeometry(const QModelIndex &index, const QRect &geometry, QObject *delegate) const
        // Q_UNUSED added for unused parameters
    }
    class NotifyModel {
        +rowCount(const QModelIndex &parent) const
        +sort(int column, Qt::SortOrder order)
        // Q_UNUSED added for parent, column, order parameters
    }
    class NotifyStagingModel {
        +rowCount(const QModelIndex &parent) const
        // Q_UNUSED added for parent parameter
    }
    class AbstractWindowMonitor {
        +rowCount(const QModelIndex &parent) const
        // Q_UNUSED added for parent parameter
    }

classDiagram
    class AMAppItem {
        +AMAppItem(const QDBusObjectPath &path, QObject *parent)
        // Now initializes Application before AppItem
    }
    class AppGroupManager {
        +AppGroupManager(AMAppItemModel * referenceModel, QObject *parent)
        // m_config initialization order fixed
    }
    class TreeLandDockPreviewContext {
        +TreeLandDockPreviewContext(struct ::treeland_dock_preview_context_v1 *context)
        // m_hideTimer initialization order fixed
    }
    class WaylandDockHelper {
        +WaylandDockHelper(DockPanel *panel)
        // m_panel initialization order fixed
    }
    class X11WindowPreviewContainer {
        +X11WindowPreviewContainer(X11WindowMonitor* monitor, QWidget *parent)
        // m_direction initialization order fixed
    }

classDiagram
    class DAppletData {
        +DAppletData(const DAppletData &other)
        // Now calls QObject() in copy constructor
    }
    class DPluginMetaData {
        +DPluginMetaData(const DPluginMetaData &other)
        // Now calls QObject() in copy constructor
    }

classDiagram
    class RoleGroupModel {
        +setSourceModel(QAbstractItemModel *model)
        // rowsInserted, rowsRemoved lambdas now use Q_UNUSED for parent
    }
    class AMAppItemModel {
        +AMAppItemModel(QObject *parent)
        // InterfacesRemoved lambda now uses Q_UNUSED for interfaces
    }
    class AppearanceApplet {
        +AppearanceApplet(QObject *parent)
        // serviceRegistered lambda now uses Q_UNUSED for service
    }
    class AMApplet {
        +onInterfacesRemoved(const QDBusObjectPath &objPath, const QStringList &interfaces)
        // Q_UNUSED for interfaces
    }