docs: @Override
      public void unsetBufferManager(String sourceId, BufferManager bufferMgr) {
          if (auditService.isAuditRequired(AuditConstants.SECURITY_AUDIT_MGMT,
                                           AuditConstants.SUCCESS)) {
              AuditMgmtEvent av = new AuditMgmtEvent(thisConfiguration, "AuditHandler:" + auditService.AUDIT_FILE_HANDLER_NAME, "stop");
              auditService.sendEvent(av);
              av = new AuditMgmtEvent(thisConfiguration, "AuditService", "stop");
              auditService.sendEvent(av);
          }
  
      }