Dummy QString class so flutter port builds

@brief exception indicating access out of the defined range @sa https://json.nlohmann.me/api/basic_json/out_of_range/

* @brief A ScopedConnection is a RAII-style way to make sure a Connection is disconnected. * * When the ScopedConnections scope ends, the connection

Used by segmented indicators controller. Not implemented yet.

Each View type also has a specific Controller associated with, except for ViewType::None

! Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at beginning of input. Does not support changing the underlying std::streambuf

For testing overriding DockWidget::closeEvent() You can override the guest's closeEvent() instead. That's already tested elsewhere.

* @brief A PropertyDestroyedError is thrown whenever a binding is evaluated * that references a property that no longer exists. */

@brief an iterator for primitive JSON types This class models an iterator for primitive JSON types (boolean, number, string). It's only purpose is to

* @brief A BindingEvaluator provides a mechanism to control the exact time * when a KDBindings::Binding is reevaluated. * * A BindingEvaluator repr

* @brief A ConnectionBlocker is a convenient RAII-style mechanism for temporarily blocking a connection. * * When a ConnectionBlocker is constructed

* @brief Manages and evaluates deferred Signal connections. * * @warning Deferred connections are experimental and may be removed or changed in the

This event filter is just for examplify how to use the KDDW API to show/hide the drag indicators when ctrl is pressed