message: mgmt, java, datafactory, fix swagger
diff: @@ -10,6 +10,14 @@ namespace: com.microsoft.azure.management.datafactory
  license-header: MICROSOFT_MIT_NO_CODEGEN
  payload-flattening-threshold: 1
  output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-datafactory
  +
  +directive:
  + - from: swagger-document
  + where: "$.definitions.ManagedPrivateEndpoint"
  + transform: delete $.discriminator
  + - from: swagger-document
  + where: "$.definitions.ManagedVirtualNetwork"
  + transform: delete $.discriminator
  ```
  # Validation
  