/*
 * Copyright (c) 2005, 2011 IBM Corporation, CEA, and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   IBM - initial API and implementation
 *   Kenn Hussey (CEA) - 327039, 351774
 *
 */
package org.eclipse.uml2.uml;

import java.util.Map;

import org.eclipse.emf.common.util.DiagnosticChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Interface</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * Since an interface specifies conformance characteristics, it does not own detailed behavior specifications. Instead, interfaces may own a protocol state machine that specifies event sequences and pre/post conditions for the operations and receptions described by the interface.
 * Interfaces may include receptions (in addition to operations).
 * An interface is a kind of classifier that represents a declaration of a set of coherent public features and obligations. An interface specifies a contract; any instance of a classifier that realizes the interface must fulfill that contract. The obligations that may be associated with an interface are in the form of various kinds of constraints (such as pre- and post-conditions) or protocol specifications, which may impose ordering restrictions on interactions through the interface.
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getNestedClassifiers <em>Nested Classifier</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getOwnedAttributes <em>Owned Attribute</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getOwnedOperations <em>Owned Operation</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getOwnedReceptions <em>Owned Reception</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getProtocol <em>Protocol</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.Interface#getRedefinedInterfaces <em>Redefined Interface</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.uml2.uml.UMLPackage#getInterface()
 * @model
 * @generated
 */
public interface Interface
		extends Classifier {

	/**
	 * Returns the value of the '<em><b>Owned Attribute</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.Property}.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.uml.Property#getInterface <em>Interface</em>}'.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Namespace#getOwnedMembers() <em>Owned Member</em>}'</li>
	 *   <li>'{@link org.eclipse.uml2.uml.Classifier#getAttributes() <em>Attribute</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The attributes (i.e. the properties) owned by the class.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Owned Attribute</em>' containment reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_OwnedAttribute()
	 * @see org.eclipse.uml2.uml.Property#getInterface
	 * @model opposite="interface" containment="true" resolveProxies="true"
	 * @generated
	 */
	EList<Property> getOwnedAttributes();

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.Property}, with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', and appends it to the '<em><b>Owned Attribute</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.Property}, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' for the new {@link org.eclipse.uml2.uml.Property}, or <code>null</code>.
	 * @param eClass The Ecore class of the {@link org.eclipse.uml2.uml.Property} to create.
	 * @return The new {@link org.eclipse.uml2.uml.Property}.
	 * @see #getOwnedAttributes()
	 * @generated
	 */
	Property createOwnedAttribute(String name, Type type, EClass eClass);

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.Property}, with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', and appends it to the '<em><b>Owned Attribute</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.Property}, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' for the new {@link org.eclipse.uml2.uml.Property}, or <code>null</code>.
	 * @return The new {@link org.eclipse.uml2.uml.Property}.
	 * @see #getOwnedAttributes()
	 * @generated
	 */
	Property createOwnedAttribute(String name, Type type);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Property} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Owned Attribute</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Property} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.Property} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.Property} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getOwnedAttributes()
	 * @generated
	 */
	Property getOwnedAttribute(String name, Type type);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Property} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Owned Attribute</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Property} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.Property} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @param eClass The Ecore class of the {@link org.eclipse.uml2.uml.Property} to retrieve, or <code>null</code>.
	 * @param createOnDemand Whether to create a {@link org.eclipse.uml2.uml.Property} on demand if not found.
	 * @return The first {@link org.eclipse.uml2.uml.Property} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getOwnedAttributes()
	 * @generated
	 */
	Property getOwnedAttribute(String name, Type type, boolean ignoreCase,
			EClass eClass, boolean createOnDemand);

	/**
	 * Returns the value of the '<em><b>Nested Classifier</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.Classifier}.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Namespace#getOwnedMembers() <em>Owned Member</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * References all the Classifiers that are defined (nested) within the Class.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Nested Classifier</em>' containment reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_NestedClassifier()
	 * @model containment="true" resolveProxies="true"
	 * @generated
	 */
	EList<Classifier> getNestedClassifiers();

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.Classifier}, with the specified '<em><b>Name</b></em>', and appends it to the '<em><b>Nested Classifier</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.Classifier}, or <code>null</code>.
	 * @param eClass The Ecore class of the {@link org.eclipse.uml2.uml.Classifier} to create.
	 * @return The new {@link org.eclipse.uml2.uml.Classifier}.
	 * @see #getNestedClassifiers()
	 * @generated
	 */
	Classifier createNestedClassifier(String name, EClass eClass);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Classifier} with the specified '<em><b>Name</b></em>' from the '<em><b>Nested Classifier</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Classifier} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.Classifier} with the specified '<em><b>Name</b></em>', or <code>null</code>.
	 * @see #getNestedClassifiers()
	 * @generated
	 */
	Classifier getNestedClassifier(String name);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Classifier} with the specified '<em><b>Name</b></em>' from the '<em><b>Nested Classifier</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Classifier} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @param eClass The Ecore class of the {@link org.eclipse.uml2.uml.Classifier} to retrieve, or <code>null</code>.
	 * @param createOnDemand Whether to create a {@link org.eclipse.uml2.uml.Classifier} on demand if not found.
	 * @return The first {@link org.eclipse.uml2.uml.Classifier} with the specified '<em><b>Name</b></em>', or <code>null</code>.
	 * @see #getNestedClassifiers()
	 * @generated
	 */
	Classifier getNestedClassifier(String name, boolean ignoreCase,
			EClass eClass, boolean createOnDemand);

	/**
	 * Returns the value of the '<em><b>Redefined Interface</b></em>' reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.Interface}.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Classifier#getRedefinedClassifiers() <em>Redefined Classifier</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * References all the Interfaces redefined by this Interface.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Redefined Interface</em>' reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_RedefinedInterface()
	 * @model ordered="false"
	 * @generated
	 */
	EList<Interface> getRedefinedInterfaces();

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Interface} with the specified '<em><b>Name</b></em>' from the '<em><b>Redefined Interface</b></em>' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Interface} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.Interface} with the specified '<em><b>Name</b></em>', or <code>null</code>.
	 * @see #getRedefinedInterfaces()
	 * @generated
	 */
	Interface getRedefinedInterface(String name);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Interface} with the specified '<em><b>Name</b></em>' from the '<em><b>Redefined Interface</b></em>' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Interface} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @return The first {@link org.eclipse.uml2.uml.Interface} with the specified '<em><b>Name</b></em>', or <code>null</code>.
	 * @see #getRedefinedInterfaces()
	 * @generated
	 */
	Interface getRedefinedInterface(String name, boolean ignoreCase);

	/**
	 * Returns the value of the '<em><b>Owned Reception</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.Reception}.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Classifier#getFeatures() <em>Feature</em>}'</li>
	 *   <li>'{@link org.eclipse.uml2.uml.Namespace#getOwnedMembers() <em>Owned Member</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Receptions that objects providing this interface are willing to accept.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Owned Reception</em>' containment reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_OwnedReception()
	 * @model containment="true" resolveProxies="true" ordered="false"
	 * @generated
	 */
	EList<Reception> getOwnedReceptions();

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.Reception}, with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', and appends it to the '<em><b>Owned Reception</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.Reception}, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' for the new {@link org.eclipse.uml2.uml.Reception}, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' for the new {@link org.eclipse.uml2.uml.Reception}, or <code>null</code>.
	 * @return The new {@link org.eclipse.uml2.uml.Reception}.
	 * @see #getOwnedReceptions()
	 * @generated
	 */
	Reception createOwnedReception(String name,
			EList<String> ownedParameterNames, EList<Type> ownedParameterTypes);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Reception} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>' from the '<em><b>Owned Reception</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.Reception} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', or <code>null</code>.
	 * @see #getOwnedReceptions()
	 * @generated
	 */
	Reception getOwnedReception(String name, EList<String> ownedParameterNames,
			EList<Type> ownedParameterTypes);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Reception} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>' from the '<em><b>Owned Reception</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' of the {@link org.eclipse.uml2.uml.Reception} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @param createOnDemand Whether to create a {@link org.eclipse.uml2.uml.Reception} on demand if not found.
	 * @return The first {@link org.eclipse.uml2.uml.Reception} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', or <code>null</code>.
	 * @see #getOwnedReceptions()
	 * @generated
	 */
	Reception getOwnedReception(String name, EList<String> ownedParameterNames,
			EList<Type> ownedParameterTypes, boolean ignoreCase,
			boolean createOnDemand);

	/**
	 * Returns the value of the '<em><b>Protocol</b></em>' containment reference.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Namespace#getOwnedMembers() <em>Owned Member</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * References a protocol state machine specifying the legal sequences of the invocation of the behavioral features described in the interface.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Protocol</em>' containment reference.
	 * @see #setProtocol(ProtocolStateMachine)
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_Protocol()
	 * @model containment="true" resolveProxies="true" ordered="false"
	 * @generated
	 */
	ProtocolStateMachine getProtocol();

	/**
	 * Sets the value of the '{@link org.eclipse.uml2.uml.Interface#getProtocol <em>Protocol</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Protocol</em>' containment reference.
	 * @see #getProtocol()
	 * @generated
	 */
	void setProtocol(ProtocolStateMachine value);

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.ProtocolStateMachine},with the specified '<em><b>Name</b></em>', and sets the '<em><b>Protocol</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.ProtocolStateMachine}, or <code>null</code>.
	 * @return The new {@link org.eclipse.uml2.uml.ProtocolStateMachine}.
	 * @see #getProtocol()
	 * @generated
	 */
	ProtocolStateMachine createProtocol(String name);

	/**
	 * Returns the value of the '<em><b>Owned Operation</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.Operation}.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.uml.Operation#getInterface <em>Interface</em>}'.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Classifier#getFeatures() <em>Feature</em>}'</li>
	 *   <li>'{@link org.eclipse.uml2.uml.Namespace#getOwnedMembers() <em>Owned Member</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The operations owned by the class.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Owned Operation</em>' containment reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getInterface_OwnedOperation()
	 * @see org.eclipse.uml2.uml.Operation#getInterface
	 * @model opposite="interface" containment="true" resolveProxies="true"
	 * @generated
	 */
	EList<Operation> getOwnedOperations();

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.Operation}, with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', and appends it to the '<em><b>Owned Operation</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.Operation}, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' for the new {@link org.eclipse.uml2.uml.Operation}, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' for the new {@link org.eclipse.uml2.uml.Operation}, or <code>null</code>.
	 * @return The new {@link org.eclipse.uml2.uml.Operation}.
	 * @see #getOwnedOperations()
	 * @generated
	 */
	Operation createOwnedOperation(String name,
			EList<String> ownedParameterNames, EList<Type> ownedParameterTypes);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Operation} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>' from the '<em><b>Owned Operation</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.Operation} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', or <code>null</code>.
	 * @see #getOwnedOperations()
	 * @generated
	 */
	Operation getOwnedOperation(String name, EList<String> ownedParameterNames,
			EList<Type> ownedParameterTypes);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.Operation} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>' from the '<em><b>Owned Operation</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @param ownedParameterNames The '<em><b>Owned Parameter Names</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @param ownedParameterTypes The '<em><b>Owned Parameter Types</b></em>' of the {@link org.eclipse.uml2.uml.Operation} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @param createOnDemand Whether to create a {@link org.eclipse.uml2.uml.Operation} on demand if not found.
	 * @return The first {@link org.eclipse.uml2.uml.Operation} with the specified '<em><b>Name</b></em>', '<em><b>Owned Parameter Names</b></em>', and '<em><b>Owned Parameter Types</b></em>', or <code>null</code>.
	 * @see #getOwnedOperations()
	 * @generated
	 */
	Operation getOwnedOperation(String name, EList<String> ownedParameterNames,
			EList<Type> ownedParameterTypes, boolean ignoreCase,
			boolean createOnDemand);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The visibility of all features owned by an interface must be public.
	 * self.feature->forAll(f | f.visibility = #public)
	 * @param diagnostics The chain of diagnostics to which problems are to be appended.
	 * @param context The cache of context-specific information.
	 * <!-- end-model-doc -->
	 * @model
	 * @generated
	 */
	boolean validateVisibility(DiagnosticChain diagnostics,
			Map<Object, Object> context);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Creates an operation with the specified name, parameter names, parameter types, and return type (or null) as an owned operation of this interface.
	 * @param name The name for the new operation, or null.
	 * @param parameterNames The parameter names for the new operation, or null.
	 * @param parameterTypes The parameter types for the new operation, or null.
	 * @param returnType The return type for the new operation, or null.
	 * <!-- end-model-doc -->
	 * @model required="true" ordered="false" nameDataType="org.eclipse.uml2.types.String" nameOrdered="false" parameterNamesDataType="org.eclipse.uml2.types.String" parameterNamesMany="true" parameterNamesOrdered="false" parameterTypesMany="true" parameterTypesOrdered="false" returnTypeOrdered="false"
	 * @generated
	 */
	Operation createOwnedOperation(String name, EList<String> parameterNames,
			EList<Type> parameterTypes, Type returnType);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Creates a property with the specified name, type, lower bound, and upper bound as an owned attribute of this interface.
	 * @param name The name for the new attribute, or null.
	 * @param type The type for the new attribute, or null.
	 * @param lower The lower bound for the new attribute.
	 * @param upper The upper bound for the new attribute.
	 * <!-- end-model-doc -->
	 * @model required="true" ordered="false" nameDataType="org.eclipse.uml2.types.String" nameOrdered="false" typeOrdered="false" lowerDataType="org.eclipse.uml2.types.Integer" lowerRequired="true" lowerOrdered="false" upperDataType="org.eclipse.uml2.types.UnlimitedNatural" upperRequired="true" upperOrdered="false"
	 * @generated
	 */
	Property createOwnedAttribute(String name, Type type, int lower, int upper);

} // Interface