@type t() ::
  integer()
  | :Undefined
  | :CreateCollection
  | :DropCollection
  | :HasCollection
  | :DescribeCollection
  | :ShowCollections
  | :GetSystemConfigs
  | :LoadCollection
  | :ReleaseCollection
  | :CreateAlias
  | :DropAlias
  | :AlterAlias
  | :AlterCollection
  | :RenameCollection
  | :DescribeAlias
  | :ListAliases
  | :AlterCollectionField
  | :AddCollectionFunction
  | :AlterCollectionFunction
  | :DropCollectionFunction
  | :TruncateCollection
  | :CreatePartition
  | :DropPartition
  | :HasPartition
  | :DescribePartition
  | :ShowPartitions
  | :LoadPartitions
  | :ReleasePartitions
  | :ShowSegments
  | :DescribeSegment
  | :LoadSegments
  | :ReleaseSegments
  | :HandoffSegments
  | :LoadBalanceSegments
  | :DescribeSegments
  | :FederListIndexedSegment
  | :FederDescribeSegmentIndexData
  | :CreateIndex
  | :DescribeIndex
  | :DropIndex
  | :GetIndexStatistics
  | :AlterIndex
  | :Insert
  | :Delete
  | :Flush
  | :ResendSegmentStats
  | :Upsert
  | :ManualFlush
  | :FlushSegment
  | :CreateSegment
  | :Import
  | :FlushAll
  | :Search
  | :SearchResult
  | :GetIndexState
  | :GetIndexBuildProgress
  | :GetCollectionStatistics
  | :GetPartitionStatistics
  | :Retrieve
  | :RetrieveResult
  | :WatchDmChannels
  | :RemoveDmChannels
  | :WatchQueryChannels
  | :RemoveQueryChannels
  | :SealedSegmentsChangeInfo
  | :WatchDeltaChannels
  | :GetShardLeaders
  | :GetReplicas
  | :UnsubDmChannel
  | :GetDistribution
  | :SyncDistribution
  | :RunAnalyzer
  | :SegmentInfo
  | :SystemInfo
  | :GetRecoveryInfo
  | :GetSegmentState
  | :TimeTick
  | :QueryNodeStats
  | :LoadIndex
  | :RequestID
  | :RequestTSO
  | :AllocateSegment
  | :SegmentStatistics
  | :SegmentFlushDone
  | :DataNodeTt
  | :Connect
  | :ListClientInfos
  | :AllocTimestamp
  | :Replicate
  | :CreateCredential
  | :GetCredential
  | :DeleteCredential
  | :UpdateCredential
  | :ListCredUsernames
  | :CreateRole
  | :DropRole
  | :OperateUserRole
  | :SelectRole
  | :SelectUser
  | :SelectResource
  | :OperatePrivilege
  | :SelectGrant
  | :RefreshPolicyInfoCache
  | :ListPolicy
  | :CreatePrivilegeGroup
  | :DropPrivilegeGroup
  | :ListPrivilegeGroups
  | :OperatePrivilegeGroup
  | :OperatePrivilegeV2
  | :CreateResourceGroup
  | :DropResourceGroup
  | :ListResourceGroups
  | :DescribeResourceGroup
  | :TransferNode
  | :TransferReplica
  | :UpdateResourceGroups
  | :CreateDatabase
  | :DropDatabase
  | :ListDatabases
  | :AlterDatabase
  | :DescribeDatabase
  | :AddCollectionField
  | :AlterWAL
  | :CreateSnapshot
  | :DropSnapshot
  | :ListSnapshots
  | :DescribeSnapshot
  | :RestoreSnapshot
  | :GetRestoreSnapshotState
  | :ListRestoreSnapshotJobs
  | :AlterCollectionSchema