content: /*******************************************************************************
   * Copyright (c) 2000, 2007 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.corext.refactoring.typeconstraints;
  
  public interface ITypeConstraint {
  	/**
  	 * Returns the resolved representation of the constraint.
  	 * For example, if <code>toString</code> returns "[a] &lt;= [b]" and types of 'a' and 'b' are A and B,
  	 * repespectively, then this method returns "A &lt;= B".
  	 *
  	 * This method is provided for debugging purposes only.
  	 */
  	public abstract String toResolvedString();
  
  	/**
  	 * Returns whether this is a simple constraint. If so, it can be safely downcast to 
  	 * <code>SimpleTypeConstraint</code>.
  	 */
  	public boolean isSimpleTypeConstraint();
  }
  