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[build 200506201800] - have websvc client in websvc registry and invoke 'Delete' on it => in Question dialog there you can see message "Delete Web Service?: <websvc_name>", but it should be something like "Are you sure you want to delete ..." or "Delete client for <websvc_name> Web Service?"
Now the parent node is Web Services, and the question is "Delete Selected Web Services ?" I think this is OK.