Abstract
-----------------------------------

.. toctree::
   :maxdepth: 3
   :caption: Abstract:

   QgsAbstractCacheIndex
   QgsAbstractFeatureIterator
   QgsAbstractFeatureIteratorFromSourceQgsVectorLayerFeatureSourceBase
   QgsAbstractFeatureSource
   QgsAbstractGeometry
   QgsAbstractGeometrySimplifier
   QgsAbstractLayoutIterator
   QgsAbstractLayoutUndoCommand
   QgsAbstractMetadataBase
   QgsAbstractMetadataBaseValidator
   QgsAbstractPropertyCollection
   QgsAbstractReportSection
   QgsAbstractVectorLayerLabeling