| QGIS API Documentation
    3.22.4-Białowieża (ce8e65e95e)
    | 
#include "qgspolymorphicrelation.h"#include "qgsapplication.h"#include "qgsfeatureiterator.h"#include "qgslogger.h"#include "qgsproject.h"#include "qgsvectorlayer.h"#include "qgspolymorphicrelation_p.h"#include "qgsexpressioncontextutils.h"