| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
#include "qgsrelationeditorwidget.h"#include "qgsapplication.h"#include "qgsdistancearea.h"#include "qgsfeatureiterator.h"#include "qgsvectordataprovider.h"#include "qgsexpression.h"#include "qgsfeature.h"#include "qgsfeatureselectiondlg.h"#include "qgsgenericfeatureselectionmanager.h"#include "qgsrelation.h"#include "qgsvectorlayertools.h"#include "qgsproject.h"#include "qgstransactiongroup.h"#include "qgslogger.h"#include "qgsvectorlayerutils.h"#include "qgsmapcanvas.h"#include "qgsvectorlayerselectionmanager.h"#include "qgsmaptooldigitizefeature.h"#include "qgsexpressioncontextutils.h"#include "qgsmessagebar.h"#include "qgsmessagebaritem.h"#include "qgscollapsiblegroupbox.h"#include <QHBoxLayout>#include <QLabel>#include <QMessageBox>#include <QPushButton>