Java, "auto" class binding wrapper for Map class

gistfile1.java

import java.utils.Map;

public class ABMap implements Map {
  
  private final Map src;
  
  public ABMap(Map src) {
    this.src = src;
  }
  
  public T <T> getAny(Object key) {
    Object value = src.get(key);
    if(null != value) {
      return (T) value;
    }else{
      return null;
    }
  }
  
  // Redirect all invoke to Map interface to `src`
  
}

gistfile2.md

Usage

Map<String, Object> anymap = new ABMap(new HashMap());

anymap.put("a", 1);
anymap.put("b", "abc");

String b = anymap.getAny("b");

assert b == "abc";

int a = anymap.getAny("a");

assert a == 1;