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/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * 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:
 *         Florian Pirchner - Initial implementation
 */
package org.eclipse.osbp.xtext.oxtype.resource;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
 
/**
 * This kind of resource allows to load the semantic element without installing
 * derived state.
 */
public interface ISemanticLoadingResource extends Resource {

	/**
	 * Disables the feature, that installing the derived state in an inferrer may
	 * install another derived state for a referenced semantic element.
	 */
	public static final String SYS_PROPERTY__DERIVED_STATE_CHAIN_DISALLOWED = "org.eclipse.osbp.dsl.xtext.lazyresolver.DerivedStateChainDisallowed";

	/**
	 * Returns the semantic element for the given fragment without installing
	 * the derived state.
	 *
	 * @param fragment
	 *            the fragment
	 * @return the semantic element
	 */
	EObject getSemanticElement(String fragment);

	/**
	 * Returns the root semantic element for the given fragment without
	 * installing the derived state.
	 *
	 * @return the semantic element
	 */
	EObject getSemanticElement();

}

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