code: protected void unsetConfigAdmin(ServiceReference<ConfigurationAdmin> ref) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              SibTr.entry(tc, "unsetConfigAdmin", ref);
          configAdminRef.unsetReference(ref);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              SibTr.exit(tc, "unsetConfigAdmin");
      }
docs: Declarative Services method for unsetting the ConfigurationAdmin service
  reference.
  
  @param ref
  reference to the service