http-client-java, new data boundary client to resources lib (microsof…

…t#4572)

required for the new client in resources lib
Azure/azure-sdk-for-java#42131

packages/http-client-java/generator/http-client-generator-mgmt/src/main/java/com/microsoft/typespec/http/client/generator/mgmt/model/clientmodel/examplemodel/FluentClientMethodExample.java

@@ -103,6 +103,8 @@ public String getMethodReference() {
                 serviceClientReference = "resourceChangeClient()";
             } else if (tag.contains("deploymentstacks")) {
                 serviceClientReference = "deploymentStackClient()";
+            } else if (tag.contains("databoundaries")) {
+                serviceClientReference = "dataBoundaryClient()";
             }
         }