import org.opendaylight.yangtools.concepts.Registration;
import org.opendaylight.yangtools.util.concurrent.FluentFutures;
import org.opendaylight.yangtools.yang.common.QNameModule;
-import org.opendaylight.yangtools.yang.ir.YangIRSchemaSource;
import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.source.SourceIdentifier;
import org.opendaylight.yangtools.yang.model.api.stmt.FeatureSet;
import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource.Costs;
import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
+import org.opendaylight.yangtools.yang.model.spi.source.YangIRSchemaSource;
import org.opendaylight.yangtools.yang.model.spi.source.YangTextSource;
import org.opendaylight.yangtools.yang.parser.api.YangParserFactory;
import org.opendaylight.yangtools.yang.parser.api.YangSyntaxErrorException;