The classes documented here are not C++ public libraries: they are intended to be used from QML, with the following imports:
<h3>org.kde.draganddrop</h3>
<p>Bindings for the Qt drag and drop system @ref draganddrop </p>
<h3>org.kde.locale</h3>
<p>Bindings for the use of KLocale</p>
<h3>org.kde.plasma.components</h3>
<p>Graphical components for common items such as buttons, lineedits, tabbars and so on. Compatible subset of the MeeGo components used on the N9</p>
<h3>org.kde.plasma.core</h3>
<p>Bindings for libplasma functionality, such as DataEngines and FrameSvgs</p>
<h3>org.kde.plasma.extras</h3>
<p>Extra graphical components that extend org.kde.plasma.components but are not in the standard api</p>
<h3>org.kde.qtextracomponents</h3>
<p>Bindings for some functionality in Qt not included in the primitive QML components set, sich as support for QImages, QPixmaps, QIcons and mouse and wheel events with screen coordinates</p>