# Functions
New returns a pointer to a Backend.
NewIter returns a pointer to an Iter for the backend provided.
UnmarshalStreamImage converts events.DynamoDBAttributeValue to struct HT https://stackoverflow.com/questions/49129534/unmarshal-mapstringdynamodbattributevalue-into-a-struct.
# Variables
ErrNullBackend is returned if you try to create an iterator with a null backend.