040000 tree 7d4bc2c45cc728a04315c52a3d92f58a368567c6	DataInputStream
040000 tree 2d1a9f6d33f22691994cb0860dfcb7c2429bbf3d	DataOutputStream
040000 tree 7aa1ae5e7dfa87523ff13f905bc91f82513bc2e8	MarkableInputStream
040000 tree bb912e320890a395948519312031a1a1b1b7c7c0	MarkableOutputStream
040000 tree 05b476706c4a251d00bcf8fb1fd94ec8d874202b	ObjectInputStream
040000 tree 5eaaf35e04799774a05dc7c3fcf82c7929814ec1	ObjectOutputStream
040000 tree 4a1c2ccbb0c3c81500b2ddff84538fe7d88791ff	Pipe
040000 tree bb60aa687ecbabcfbdc3442c79e245dff6dddfd9	Pump