/*
 * Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.jboss.errai.codegen.meta;


/**
 * Umbrella interface for {@link MetaClass}, {@link MetaMethod}, and
 * {@link MetaConstructor}: the three places where a generic type variable can
 * be declared.
 *
 * @author Mike Brock <cbrock@redhat.com>
 * @author Jonathan Fuerth <jfuerth@redhat.com>
 */
public interface MetaGenericDeclaration {

  /**
   * Returns the array of type variables declared on this generic declaration
   * site, in the order they were declared in the source code.
   *
   * @return the type variables declared at this site. The returned array is
   *         never null, but it will be empty if no type variable are declared
   *         at this site.
   */
  public MetaTypeVariable[] getTypeParameters();
}
