question: return the cluster disk info for the cluster or null if none available concode_field_sep String assignedNodeId concode_elem_sep Map<DiscoveryNode,NodeExplanation> nodeExplanations concode_elem_sep ClusterInfo clusterInfo concode_elem_sep boolean hasPendingAsyncFetch concode_elem_sep long remainingDelayMillis concode_elem_sep ShardId shard concode_elem_sep byte id concode_elem_sep UnassignedInfo unassignedInfo concode_elem_sep long allocationDelayMillis concode_elem_sep boolean primary concode_field_sep FinalDecision readFrom concode_elem_sep StoreCopy readFrom concode_elem_sep ShardId getShard concode_elem_sep UnassignedInfo getUnassignedInfo concode_elem_sep long getRemainingDelayMillis concode_elem_sep FinalDecision fromId concode_elem_sep StoreCopy fromId concode_elem_sep boolean isStillFetchingShardData concode_elem_sep long getAllocationDelayMillis concode_elem_sep void writeTo concode_elem_sep void writeTo concode_elem_sep void writeTo concode_elem_sep boolean isAssigned concode_elem_sep boolean isPrimary concode_elem_sep XContentBuilder toXContent concode_elem_sep String getAssignedNodeId concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Map<DiscoveryNode,NodeExplanation> getNodeExplanations
target: ClusterInfo function ( ) { return this . clusterInfo ; }