internal LocalVault(HealthVaultApp app, StorageFolder vocabFolder, StorageFolder recordFolder)
     : this(app, FolderObjectStore.CreateRoot(vocabFolder), FolderObjectStore.CreateRoot(recordFolder))
 {
 }
 internal LocalVault(HealthVaultApp app)
     : this(app, FolderObjectStore.CreateRoot(), FolderObjectStore.CreateRoot())
 {
 }