Add directive to fix the store folder of Ambr/PlmnId/Snssai (#28309)

* Add directive to fix the store folder of Ambr/PlmnId/Snssai/PlmnId

* Fixed comment for PR#28309

specification/mobilenetwork/resource-manager/readme.java.md

@@ -0,0 +1,43 @@
+## Java
+These settings apply only when `--java` is specified on the command line.
+
+``` yaml $(java)
+directive:
+  - from: ueInfo.json
+    where:
+      - $.definitions.UeInfo.properties.properties
+      - $.definitions.UeInfo5G.properties.info
+      - $.definitions.UeInfo5GProperties.properties.fivegGuti
+      - $.definitions.UeInfo5GProperties.properties.connectionInfo
+      - $.definitions.Guti5G.properties.plmn
+      - $.definitions.Guti5G.properties.amfId
+      - $.definitions.UeConnectionInfo5G.properties.locationInfo
+      - $.definitions.UeConnectionInfo5G.properties.globalRanNodeId
+      - $.definitions.UeConnectionInfo5G.properties.allowedNssai.items
+      - $.definitions.UeSessionInfo5G.properties.snssai
+      - $.definitions.UeSessionInfo5G.properties.ueIpAddress
+      - $.definitions.UeSessionInfo5G.properties.ambr
+      - $.definitions.UeSessionInfo5G.properties.qosFlow.items
+      - $.definitions.UeInfo4G.properties.info
+      - $.definitions.UeInfo4GProperties.properties.guti
+      - $.definitions.UeInfo4GProperties.properties.connectionInfo
+      - $.definitions.Guti4G.properties.plmn
+      - $.definitions.Guti4G.properties.mmeId
+      - $.definitions.UeConnectionInfo4G.properties.locationInfo
+      - $.definitions.UeConnectionInfo4G.properties.globalRanNodeId
+      - $.definitions.UeSessionInfo4G.properties.ueIpAddress
+      - $.definitions.UeLocationInfo.properties.plmn
+      - $.definitions.UeQOSFlow.properties.qfi
+      - $.definitions.UeQOSFlow.properties.fiveqi
+      - $.definitions.UeQOSFlow.properties.mbr
+      - $.definitions.UeQOSFlow.properties.gbr
+      - $.definitions.DnnIpPair.properties.ueIpAddress
+    transform: $['x-ms-client-flatten'] = false
+    reason: these properties should not be flattened
+  - from: ts29571.json
+    where:
+      - $.definitions.GlobalRanNodeId.properties.plmnId
+      - $.definitions.GlobalRanNodeId.properties.gNbId
+    transform: $['x-ms-client-flatten'] = false
+    reason: these properties should not be flattened
+```

specification/mobilenetwork/resource-manager/readme.md

@@ -202,3 +202,7 @@ See configuration in [readme.typescript.md](./readme.typescript.md)
 ## CSharp
 
 See configuration in [readme.csharp.md](./readme.csharp.md)
+
+## Java
+
+See configuration in [readme.java.md](./readme.java.md)