abstract fun deserialize(input: DataInput2, available: Int): ADeserializes and returns the content of the given DataInput2.
input - DataInput2 to de-serialize data from available - how many bytes that are available in the DataInput2 for reading, may be -1 (in streams) or 0 (null). IOException - in case of an I/O errorReturn
the de-serialized content of the given DataInput2