private void notifyMembersForAlertDefinitionRemoval(StatAlertDefinition alertDef) {
    GfManagerAgent agent = getGfManagerAgent();
    StatAlertDefinition[] alertDefs = new StatAlertDefinition[] {alertDef};
    ApplicationVM[] VMs = agent.listApplications();

    for (final ApplicationVM vm : VMs) {
      vm.updateAlertDefinitions(alertDefs,
          UpdateAlertDefinitionMessage.REMOVE_ALERT_DEFINITION);
    }
  }
An intermediate method to notify all members for removal of stat alert definition.

@param alertDef stat alert definition to be removed
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/AdminDistributedSystemJmxImpl.java