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//code decoupling

// Interface for creating Queries
public interface Query {

	// methods required for CodedNodeSetImpl 
	public  Query getCodingSchemeQuery(String uri, String internalVersionString);  
	public  Query getRestrictionQuery(Restriction restriction, String internalCodeSystemName, String internalVersionString);  

	// methods required for AbstractLazyCodeHolderFactory
	private  Query getBooleanQuery(List<Query> queries);
	public Query getFilteredQuery(List<Filter> filters, BooleanQuery combinedQuery, Filter chainedFilter);
}

// Lucene Implementation
public class LuceneQuery implements Query {

}