code: /**
   */
  package IFML.Core;
  
  
  /**
   * <!-- begin-user-doc -->
   * A representation of the model object '<em><b>Expression</b></em>'.
   * <!-- end-user-doc -->
   *
   * <p>
   * The following features are supported:
   * <ul>
   *   <li>{@link IFML.Core.Expression#getLanguage <em>Language</em>}</li>
   *   <li>{@link IFML.Core.Expression#getBody <em>Body</em>}</li>
   * </ul>
   * </p>
   *
   * @see IFML.Core.CorePackage#getExpression()
   * @model abstract="true"
   * @generated
   */
  public interface Expression extends InteractionFlowModelElement {
  	/**
  	 * Returns the value of the '<em><b>Language</b></em>' attribute.
  	 * <!-- begin-user-doc -->
  	 * <p>
  	 * If the meaning of the '<em>Language</em>' attribute isn't clear,
  	 * there really should be more of a description here...
  	 * </p>
  	 * <!-- end-user-doc -->
  	 * @return the value of the '<em>Language</em>' attribute.
  	 * @see #setLanguage(String)
  	 * @see IFML.Core.CorePackage#getExpression_Language()
  	 * @model required="true" ordered="false"
  	 * @generated
  	 */
  	String getLanguage();
  
  	/**
  	 * Sets the value of the '{@link IFML.Core.Expression#getLanguage <em>Language</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @param value the new value of the '<em>Language</em>' attribute.
  	 * @see #getLanguage()
  	 * @generated
  	 */
  	void setLanguage(String value);
  
  	/**
  	 * Returns the value of the '<em><b>Body</b></em>' attribute.
  	 * <!-- begin-user-doc -->
  	 * <p>
  	 * If the meaning of the '<em>Body</em>' attribute isn't clear,
  	 * there really should be more of a description here...
  	 * </p>
  	 * <!-- end-user-doc -->
  	 * @return the value of the '<em>Body</em>' attribute.
  	 * @see #setBody(String)
  	 * @see IFML.Core.CorePackage#getExpression_Body()
  	 * @model required="true" ordered="false"
  	 * @generated
  	 */
  	String getBody();
  
  	/**
  	 * Sets the value of the '{@link IFML.Core.Expression#getBody <em>Body</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @param value the new value of the '<em>Body</em>' attribute.
  	 * @see #getBody()
  	 * @generated
  	 */
  	void setBody(String value);
  
  } // Expression
  