checkAndSplitMetadata returns both data root node and metadata root node if exists from the DAG topped by the given 'nd'.

CreateMetadataList join the given two byte array element into a final list format as BTFS metadata.

EqualKeySets returns true if the key set of the given `m` equals the given key string array `inputKeys`.

GetMetadataSList splits the given encoded metadata `bytes` into two byte arrays in JSON format.

Intersects returns true if the given two maps intersect.

KeyIntersects returns true if the key set of the given `m` and the string array `inputKeys` intersects.