arcpy.ExtractData_production("G[name_of_feature_dataset]",GDB,"DO_NOT_REUSE","","","") has served me well for many years to extract an entire (complete, everything in it) Feature Dataset from a SDE to a FGDB for field use. What is the equivalent, in Pro Python, of extracting an ENTIRE Feature Dataset (that could contain many hundreds of feature classes, thus not suitable for individually listing each one using Feature Class To Geodatabase—Conversion toolbox | ArcGIS Desktop )
