/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.concurrent.ConcurrentHashMap;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static Map<Integer, String> createMap(Map<Integer, String> map) {
        return null;
    }
 
    public static void main(String[] args) {
        Map obj = createMap(new ConcurrentHashMap<>());
        System.out.println(obj.getClass().getName());
    }
}

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