@Override public boolean containsKey(Object key) {return isInBounds(key) && TreeMap.this.containsKey(key);}

@ Override public boolean containsKey ( Object key ) { return isInBounds ( key ) && TreeMap . this . containsKey ( key ) ; }
public override bool containsKey(object key){return this.isInBounds(key) && this._enclosing.containsKey(key);}
