# Functions
ClosePrune.
DelKVPair key tree ， roothash key value.
DelLeafCountKV.
GetKVPair kv.
GetKVPairProof k:v pair proof.
InitGlobalMem.
InnerNodeProofHash inner hash.
IterateRangeByStateHash start end [start, end).
LoadTree2MemDb mem tree.
MakeNode ， Node NOTE: The hash is not saved or set.
NewNode ；.
NewTree merkle avl.
NewTreeARC new lru mem tree.
NewTreeMap new mem tree.
PrintLeafNodeParent.
PrintMemStats.
PrintNode the in-memory children recursively.
PrintNodeDb hash.
PrintSameLeafKey.
PrintTreeLeaf roothash.
PruningTree.
PruningTreePrintDB pruning tree print db.
ReadProof will deserialize a MAVLProof from bytes.
ReleaseGlobalMem.
SetKVPair kv.
VerifyKVPairProof KVPair.
# Constants
DefaultPruneHeight ...
# Variables
ErrNodeNotExist node is not exist.
# Interfaces
MemTreeOpera memtree.