| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
#include "qgslegendrenderer.h"#include "qgslayertree.h"#include "qgslayertreemodel.h"#include "qgslayertreemodellegendnode.h"#include "qgslegendstyle.h"#include "qgsmaplayerlegend.h"#include "qgssymbol.h"#include "qgsrendercontext.h"#include "qgsvectorlayer.h"#include "qgsexpressioncontextutils.h"#include <QJsonObject>#include <QPainter>