/**
 * Copyright (c) 2015 CEA LIST.
 * 
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License 2.0
 *  which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/ 
 * 
 *  SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *   Benoit Maggi (CEA LIST) benoit.maggi@cea.fr - Initial API and implementation
 * 
 */
package org.eclipse.papyrus.sysml14.activities;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.uml2.uml.Parameter;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Optional</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * 
 *             When the «optional» stereotype is applied to parameters, the lower multiplicity must be equal to zero. This means the parameter is not required to have a value for the activity or any behavior to begin or end execution. Otherwise, the lower multiplicity must be greater than zero, which is called “required.”
 *           
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.papyrus.sysml14.activities.Optional#getBase_Parameter <em>Base Parameter</em>}</li>
 * </ul>
 *
 * @see org.eclipse.papyrus.sysml14.activities.ActivitiesPackage#getOptional()
 * @model
 * @generated
 */
public interface Optional extends EObject {
	/**
	 * Returns the value of the '<em><b>Base Parameter</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Base Parameter</em>' reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Base Parameter</em>' reference.
	 * @see #setBase_Parameter(Parameter)
	 * @see org.eclipse.papyrus.sysml14.activities.ActivitiesPackage#getOptional_Base_Parameter()
	 * @model ordered="false"
	 * @generated
	 */
	Parameter getBase_Parameter();

	/**
	 * Sets the value of the '{@link org.eclipse.papyrus.sysml14.activities.Optional#getBase_Parameter <em>Base Parameter</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Base Parameter</em>' reference.
	 * @see #getBase_Parameter()
	 * @generated
	 */
	void setBase_Parameter(Parameter value);

} // Optional