question: the new cluster state that caused this change event . concode_field_sep DiscoveryNodes.Delta nodesDelta concode_elem_sep String source concode_elem_sep ClusterState state concode_elem_sep ClusterState previousState concode_field_sep boolean metaDataChanged concode_elem_sep boolean indexMetaDataChanged concode_elem_sep List<String> indicesCreated concode_elem_sep boolean nodesAdded concode_elem_sep String source concode_elem_sep boolean routingTableChanged concode_elem_sep boolean nodesRemoved concode_elem_sep ClusterState previousState concode_elem_sep List<Index> indicesDeletedFromTombstones concode_elem_sep List<Index> indicesDeleted concode_elem_sep boolean localNodeMaster concode_elem_sep DiscoveryNodes.Delta nodesDelta concode_elem_sep List<Index> indicesDeletedFromClusterState concode_elem_sep boolean indexRoutingTableChanged concode_elem_sep boolean nodesChanged concode_elem_sep boolean isNewCluster concode_elem_sep boolean blocksChanged
target: ClusterState function ( ) { return this . state ; }