pal → labeling Relation

File in src/core/pal	Includes file in src/core/labeling
feature.cpp	qgslabeling.h
feature.cpp	qgstextlabelfeature.h
feature.h	qgslabelfeature.h
layer.cpp	qgslabelingengine.h
layer.h	qgslabelobstaclesettings.h
pal.cpp	qgslabelingengine.h
pal.h	qgslabelingenginesettings.h
problem.cpp	qgslabelingengine.h