<ExtensionAttribute()>
Public Shared Function GetReferencedEntityTypes( _
   ByVal query As IEntityQuery, _
   Optional ByVal includeIncludes As Boolean _
) As ISet(Of Type)

Dim query As IEntityQuery
Dim includeIncludes As Boolean
Dim value As ISet(Of Type)
 
value = EntityQueryExtensions.GetReferencedEntityTypes(query, includeIncludes)

[ExtensionAttribute()]
public static ISet<Type> GetReferencedEntityTypes( 
   IEntityQuery query,
   bool includeIncludes
)

[ExtensionAttribute()]
public:
static ISet<Type^>^ GetReferencedEntityTypes( 
   IEntityQuery^ query,
   bool includeIncludes
) 

public void CheckQueryTypes() {
 
  var query = entityManager.Employees.Where(e => e.OrderSummaries.Any(os => os.Freight > 100m));
  // Will return Employee and OrderSummary types.
  var list = query.GetReferencedEntityTypes();

  var query2 = entityManager.Customers.Include(c => c.OrderSummaries);
  // Will return Customer and OrderSummary types.
  var list2 = query2.GetReferencedEntityTypes();
  // Will return only Customer type, since Includes are excluded.
  var list3 = query2.GetReferencedEntityTypes(false);
}