content: /*
   * Created on Oct 22, 2007
   * 
   * 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.
   * 
   * Copyright @2007-2013 the original author or authors.
   */
  package org.fest.swing.hierarchy;
  
  import java.awt.Component;
  import java.awt.Container;
  import java.util.Collection;
  
  import javax.annotation.Nonnull;
  
  import org.fest.swing.annotation.RunsInCurrentThread;
  
  /**
   * Finds children {@code Component}s in an AWT or Swing {@code Container}.
   * 
   * @author Yvonne Wang
   */
  interface ChildrenFinderStrategy {
    /**
     * <p>
     * Returns the non-explicit children of an AWT or Swing {@code Container}. Non-explicit children are AWT or Swing
     * {@code Component}s considered to be children of the given {@code Container} but cannot be obtained by calling
     * {@code Container.getComponents()}.
     * </p>
     * 
     * <p>
     * <b>Note:</b> This method is accessed in the current executing thread. Such thread may or may not be the event
     * dispatch thread (EDT.) Client code must call this method from the EDT.
     * </p>
     * 
     * @param c the container whose children we are looking for.
     * @return a collection containing the non-explicit children found.
     */
    @RunsInCurrentThread
    @Nonnull Collection<Component> nonExplicitChildrenOf(@Nonnull Container c);
  }
  