@Override public boolean remove(Object o) {return Impl.this.remove(o) != null;}

@ Override public boolean remove ( Object o ) { return Impl . this . remove ( o ) != null ; }
public override bool remove(object o){lock (this._enclosing){int oldSize = this._enclosing._size;this._enclosing.remove(o);return this._enclosing._size != oldSize;}}
