/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone {
abstract class Smth <T extends Comparable<T>> implements Comparable<Smth<T>>, Iterable<T> {
//int compareTo(Smth<T> x) {
// return 0;
//}
}
}
}
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