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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.event.dom.client;

import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;

/**
 * A widget that implements this interface provides registration for
 * {@link DragLeaveHandler} instances.
 * 
 * 
 * Experimental API: This API is still under development
 * and is subject to change.
 * 
 * 
 */
public interface HasDragLeaveHandlers extends HasHandlers {
  /**
   * Adds a {@link DragLeaveEvent} handler.
   *
   * @param handler the drag leave handler
   * @return {@link HandlerRegistration} used to remove this handler
   */
  HandlerRegistration addDragLeaveHandler(DragLeaveHandler handler);
}