The FeatureClassDefinition class in ArcGIS Pro SDK 3.3 returns inaccurate or inflated number of feature classes when interacting with Oracle enterprise geodatabases containing user-defined schemas
using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path-to-SDE"))))
{
var featureClassNames = geodatabase.GetDefinitions<FeatureClassDefinition>().Select(def => def.GetName()).ToList();
}
