hide execute from RxDataLoadingModel and it children

Sources/Classes/DataLoading/RequestNetworkOperation/RequestNetworkOperationModel.swift

@@ -24,4 +24,9 @@ import RxSwift
 
 /// Network operation model for RequestNetworkOperationState with Single as data source.
 public final class RequestNetworkOperationModel<T>: RxNetworkOperationModel<RequestNetworkOperationState<Single<T>>> {
+
+    public override func execute() {
+        super.execute() // just to make it public
+    }
+
 }

Sources/Classes/DataLoading/RxNetworkOperationModel.swift

@@ -42,7 +42,7 @@ open class RxNetworkOperationModel<LoadingStateType: NetworkOperationState>: Net
         self.dataSource = dataSource
     }
 
-    public func execute() {
+    func execute() {
         currentRequestDisposable?.dispose()
 
         state = .initialLoadingState(after: state)