extern class NativeFileDescriptor in "Java" `{ java.io.FileDescriptor `}
super JavaObject
fun sync in "Java" `{
try{
self.sync();
}catch(SyncFailedException e){
e.printStackTrace();
}
`}
fun valid: Bool in "Java" `{ return self.valid(); `}
end
lib/java/io.nit:139,1--150,3