Available on jvm
new(param1:InputStream)
peek():Int
readFully(param1:NativeArray<Int8>, param2:Int, param3:Int):Void
mark(param1:Int):Void
markSupported():Bool
read():Int
read(param1:NativeArray<Int8>, param2:Int, param3:Int):Int
read(param1:NativeArray<Int8>):Int
reset():Void