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/*
 * SonarQube Java
 * Copyright (C) 2012-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.plugins.java.api.tree;

import com.google.common.annotations.Beta;

import javax.annotation.Nullable;

import java.util.List;

/**
 * Lambda expression.
 *
 * For example:
 * {@code
 *   () -> { }
 *   x -> x + 1
 *   (x, y) -> { return x + y; }
 *   (List ls) -> ls.size()
 * }
 *
 * @since Java 1.8
 */
@Beta
public interface LambdaExpressionTree extends ExpressionTree {

  @Nullable
  SyntaxToken openParenToken();

  List parameters();

  @Nullable
  SyntaxToken closeParenToken();

  SyntaxToken arrowToken();

  Tree body();

}