<class name="QTreeModel">
    <signal name="protected final void dataChanged(com.trolltech.qt.core.QModelIndex topLeft, com.trolltech.qt.core.QModelIndex bottomRight)" doc="/**
&lt;p&gt;This signal is emitted whenever the data in an existing item changes. The affected items are those between &lt;tt&gt;topLeft&lt;/tt&gt; and &lt;tt&gt;bottomRight&lt;/tt&gt; inclusive (of the same parent).&lt;/p&gt;
&lt;p&gt;Note that this signal must be emitted explicitly when reimplementing the &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#setData(com.trolltech.qt.core.QModelIndex, java.lang.Object, int)&quot;&gt;&lt;tt&gt;setData&lt;/tt&gt;&lt;/a&gt; function.&lt;/p&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;Compatible Slot Signatures:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot(com.trolltech.qt.core.QModelIndex topLeft, com.trolltech.qt.core.QModelIndex bottomRight)&lt;/tt&gt;&lt;/dd&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot(com.trolltech.qt.core.QModelIndex topLeft)&lt;/tt&gt;&lt;/dd&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot()&lt;/tt&gt;&lt;/dd&gt;
&lt;/dl&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;See Also:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;a href=&quot;QTreeModel.html#headerDataChanged(com.trolltech.qt.core.Qt.Orientation, int, int)&quot;&gt;&lt;tt&gt;headerDataChanged&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#setData(com.trolltech.qt.core.QModelIndex, java.lang.Object, int)&quot;&gt;&lt;tt&gt;setData&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;QTreeModel.html#layoutChanged()&quot;&gt;&lt;tt&gt;layoutChanged&lt;/tt&gt;&lt;/a&gt;&lt;/dd&gt;
&lt;/dl&gt;
 */"/>
    <signal name="protected final void headerDataChanged(com.trolltech.qt.core.Qt.Orientation orientation, int first, int last)" doc="/**
&lt;p&gt;This signal is emitted whenever a header is changed. The &lt;tt&gt;orientation&lt;/tt&gt; indicates whether the horizontal or vertical header has changed. The sections in the header from the &lt;tt&gt;first&lt;/tt&gt; to the &lt;tt&gt;last&lt;/tt&gt; need to be updated.&lt;/p&gt;
&lt;p&gt;Note that this signal must be emitted explicitly when reimplementing the &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#setHeaderData(int, com.trolltech.qt.core.Qt.Orientation, java.lang.Object, int)&quot;&gt;&lt;tt&gt;setHeaderData&lt;/tt&gt;&lt;/a&gt; function.&lt;/p&gt;
&lt;p&gt;If you are changing the number of columns or rows you don't need to emit this signal, but use the begin/end functions.&lt;/p&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;Compatible Slot Signatures:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot(com.trolltech.qt.core.Qt.Orientation orientation, int first, int last)&lt;/tt&gt;&lt;/dd&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot(com.trolltech.qt.core.Qt.Orientation orientation, int first)&lt;/tt&gt;&lt;/dd&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot(com.trolltech.qt.core.Qt.Orientation orientation)&lt;/tt&gt;&lt;/dd&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot()&lt;/tt&gt;&lt;/dd&gt;
&lt;/dl&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;See Also:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#headerData(int, com.trolltech.qt.core.Qt.Orientation, int)&quot;&gt;&lt;tt&gt;headerData&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#setHeaderData(int, com.trolltech.qt.core.Qt.Orientation, java.lang.Object, int)&quot;&gt;&lt;tt&gt;setHeaderData&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;QTreeModel.html#dataChanged(com.trolltech.qt.core.QModelIndex, com.trolltech.qt.core.QModelIndex)&quot;&gt;&lt;tt&gt;dataChanged&lt;/tt&gt;&lt;/a&gt;&lt;/dd&gt;
&lt;/dl&gt;
 */"/>
    <signal name="protected final void layoutAboutToBeChanged()" doc="/**
&lt;p&gt;This signal is emitted just before the layout of a model is changed. Components connected to this signal use it to adapt to changes in the model's layout.&lt;/p&gt;
&lt;p&gt;Subclasses should update any persistent model indexes after emitting &lt;a href=&quot;QTreeModel.html#layoutAboutToBeChanged()&quot;&gt;&lt;tt&gt;layoutAboutToBeChanged&lt;/tt&gt;&lt;/a&gt;.&lt;/p&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;Compatible Slot Signature:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot()&lt;/tt&gt;&lt;/dd&gt;
&lt;/dl&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;See Also:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;a href=&quot;QTreeModel.html#layoutChanged()&quot;&gt;&lt;tt&gt;layoutChanged&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#changePersistentIndex(com.trolltech.qt.core.QModelIndex, com.trolltech.qt.core.QModelIndex)&quot;&gt;&lt;tt&gt;changePersistentIndex&lt;/tt&gt;&lt;/a&gt;&lt;/dd&gt;
&lt;/dl&gt;
 */"/>
    <signal name="protected final void layoutChanged()" doc="/**
&lt;p&gt;This signal is emitted whenever the layout of items exposed by the model has changed; for example, when the model has been sorted. When this signal is received by a view, it should update the layout of items to reflect this change.&lt;/p&gt;
&lt;p&gt;When subclassing &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#QAbstractItemModel(com.trolltech.qt.core.QObject)&quot;&gt;&lt;tt&gt;QAbstractItemModel&lt;/tt&gt;&lt;/a&gt; or &lt;a href=&quot;QAbstractProxyModel.html&quot;&gt;&lt;tt&gt;QAbstractProxyModel&lt;/tt&gt;&lt;/a&gt;, ensure that you emit &lt;a href=&quot;QTreeModel.html#layoutAboutToBeChanged()&quot;&gt;&lt;tt&gt;layoutAboutToBeChanged&lt;/tt&gt;&lt;/a&gt; before changing the order of items or altering the structure of the data you expose to views, and emit &lt;a href=&quot;QTreeModel.html#layoutChanged()&quot;&gt;&lt;tt&gt;layoutChanged&lt;/tt&gt;&lt;/a&gt; after changing the layout.&lt;/p&gt;
&lt;p&gt;Subclasses should update any persistent model indexes before emitting &lt;a href=&quot;QTreeModel.html#layoutChanged()&quot;&gt;&lt;tt&gt;layoutChanged&lt;/tt&gt;&lt;/a&gt;.&lt;/p&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;Compatible Slot Signature:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;tt&gt;void mySlot()&lt;/tt&gt;&lt;/dd&gt;
&lt;/dl&gt;
&lt;dl&gt;
&lt;dt&gt;&lt;b&gt;See Also:&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;&lt;a href=&quot;QTreeModel.html#layoutAboutToBeChanged()&quot;&gt;&lt;tt&gt;layoutAboutToBeChanged&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;QTreeModel.html#dataChanged(com.trolltech.qt.core.QModelIndex, com.trolltech.qt.core.QModelIndex)&quot;&gt;&lt;tt&gt;dataChanged&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;QTreeModel.html#headerDataChanged(com.trolltech.qt.core.Qt.Orientation, int, int)&quot;&gt;&lt;tt&gt;headerDataChanged&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#reset()&quot;&gt;&lt;tt&gt;reset&lt;/tt&gt;&lt;/a&gt;, &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#changePersistentIndex(com.trolltech.qt.core.QModelIndex, com.trolltech.qt.core.QModelIndex)&quot;&gt;&lt;tt&gt;changePersistentIndex&lt;/tt&gt;&lt;/a&gt;&lt;/dd&gt;
&lt;/dl&gt;
 */"/>
    <method name="public QTreeModel(com.trolltech.qt.core.QObject parent)"/>
    <method name="public QTreeModel()"/>
    <method name="public final void childrenInserted(com.trolltech.qt.core.QModelIndex parent, int first, int last)"/>
    <method name="public final void childrenRemoved(com.trolltech.qt.core.QModelIndex parent, int first, int last)"/>
    <method name="public final java.lang.Object indexToValue(com.trolltech.qt.core.QModelIndex index)"/>
    <method name="public final void releaseChildren(com.trolltech.qt.core.QModelIndex index)"/>
    <method name="public final com.trolltech.qt.core.QModelIndex valueToIndex(java.lang.Object object)"/>
    <method name="public abstract java.lang.Object child(java.lang.Object parent, int index)"/>
    <method name="public abstract int childCount(java.lang.Object parent)"/>
    <method name="public int columnCount(com.trolltech.qt.core.QModelIndex arg__1)" doc="/**
&lt;p&gt;This function is reimplemented for internal reasons.&lt;/p&gt;
 */"/>
    <method name="public java.lang.Object data(com.trolltech.qt.core.QModelIndex index, int role)" doc="/**
&lt;p&gt;This function is reimplemented for internal reasons.&lt;/p&gt;
 */"/>
    <method name="public java.lang.Object data(java.lang.Object value, int role)" doc="/**
&lt;p&gt;Returns the data stored under the given &lt;tt&gt;role&lt;/tt&gt; for the item referred to by the &lt;tt&gt;value&lt;/tt&gt;.&lt;/p&gt;

@see &lt;tt&gt;Qt::ItemDataRole&lt;/tt&gt;
@see &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#setData(com.trolltech.qt.core.QModelIndex, java.lang.Object, int)&quot;&gt;&lt;tt&gt;setData&lt;/tt&gt;&lt;/a&gt;
@see &lt;a href=&quot;%2E%2E/core/%2E%2E/core/QAbstractItemModel.html#headerData(int, com.trolltech.qt.core.Qt.Orientation, int)&quot;&gt;&lt;tt&gt;headerData&lt;/tt&gt;&lt;/a&gt; */"/>
    <method name="public com.trolltech.qt.gui.QIcon icon(java.lang.Object value)"/>
    <method name="public com.trolltech.qt.core.QModelIndex index(int row, int arg__2, com.trolltech.qt.core.QModelIndex parent)" doc="/**
&lt;p&gt;This function is reimplemented for internal reasons.&lt;/p&gt;
 */"/>
    <method name="public com.trolltech.qt.core.QModelIndex parent(com.trolltech.qt.core.QModelIndex index)" doc="/**
&lt;p&gt;This function is reimplemented for internal reasons.&lt;/p&gt;
 */"/>
    <method name="public int rowCount(com.trolltech.qt.core.QModelIndex parent)" doc="/**
&lt;p&gt;This function is reimplemented for internal reasons.&lt;/p&gt;
 */"/>
    <method name="public abstract java.lang.String text(java.lang.Object value)"/>
</class>