| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
#include "qgslayoutpagecollection.h"#include "qgslayout.h"#include "qgsreadwritecontext.h"#include "qgsproject.h"#include "qgslayoutitemundocommand.h"#include "qgssymbollayerutils.h"#include "qgslayoutframe.h"#include "qgslayoutundostack.h"#include "qgsfillsymbol.h"