org.sonar.iac.docker.tree.api.KeyValuePair Maven / Gradle / Ivy

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/*
 * SonarQube IaC Plugin
 * Copyright (C) 2021-2023 SonarSource SA
 * mailto:info 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.iac.docker.tree.api;

import javax.annotation.Nullable;

/**
 * Interface to define the contract of KeyValuePair elements, used by several instructions such as {@link ArgInstruction}
 *  *   {@link #key()}
 *   {@link #key()}={@link #value()}
 *   {@link #key()} {@link #value()}
 * 
 */
public interface KeyValuePair extends DockerTree {
  Argument key();

  @Nullable
  SyntaxToken equalSign();

  @Nullable
  Argument value();
}