import java.util.function.Function;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import java.util.function.Function;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.yangtools.concepts.HierarchicalIdentifier;
import org.opendaylight.yangtools.concepts.Immutable;
import org.opendaylight.yangtools.concepts.HierarchicalIdentifier;
import org.opendaylight.yangtools.concepts.Immutable;
import org.opendaylight.yangtools.util.HashCodeBuilder;
import org.opendaylight.yangtools.util.ImmutableOffsetMap;
import org.opendaylight.yangtools.util.SingletonSet;
import org.opendaylight.yangtools.util.HashCodeBuilder;
import org.opendaylight.yangtools.util.ImmutableOffsetMap;
import org.opendaylight.yangtools.util.SingletonSet;