Cleanup unnecessary line breaks and class member ordering

community/kernel-api/src/main/java/org/neo4j/internal/kernel/api/IndexReference.java

@@ -34,6 +34,42 @@
  */
 public interface IndexReference extends IndexCapability
 {
+    /**
+     * Sorts indexes by type, returning first GENERAL indexes, followed by UNIQUE. Implementation is not suitable in
+     * hot path.
+     *
+     * @param indexes Indexes to sort
+     * @return sorted indexes
+     */
+    static Iterator<IndexReference> sortByType( Iterator<IndexReference> indexes )
+    {
+        List<IndexReference> materialized = Iterators.asList( indexes );
+        return Iterators.concat(
+                Iterators.filter( i -> !i.isUnique(), materialized.iterator() ),
+                Iterators.filter( IndexReference::isUnique, materialized.iterator() ) );
+
+    }
+
+    boolean isUnique();
+
+    int label();
+
+    int[] properties();
+
+    String providerKey();
+
+    String providerVersion();
+
+    /**
+     * @param tokenNameLookup used for looking up names for token ids.
+     * @return a user friendly description of what this index indexes.
+     */
+    default String userDescription( TokenNameLookup tokenNameLookup )
+    {
+        String type = isUnique() ? "UNIQUE" : "GENERAL";
+        return format( "Index( %s, %s )",  type, SchemaUtil.niceProperties( tokenNameLookup, properties() ) );
+    }
+
     IndexReference NO_INDEX = new IndexReference()
     {
         @Override
@@ -78,40 +114,4 @@ public String providerVersion()
             return null;
         }
     };
-
-    /**
-     * Sorts indexes by type, returning first GENERAL indexes, followed by UNIQUE. Implementation is not suitable in
-     * hot path.
-     *
-     * @param indexes Indexes to sort
-     * @return sorted indexes
-     */
-    static Iterator<IndexReference> sortByType( Iterator<IndexReference> indexes )
-    {
-        List<IndexReference> materialized = Iterators.asList( indexes );
-        return Iterators.concat(
-                Iterators.filter( i -> !i.isUnique(), materialized.iterator() ),
-                Iterators.filter( IndexReference::isUnique, materialized.iterator() ) );
-
-    }
-
-    boolean isUnique();
-
-    int label();
-
-    int[] properties();
-
-    String providerKey();
-
-    String providerVersion();
-
-    /**
-     * @param tokenNameLookup used for looking up names for token ids.
-     * @return a user friendly description of what this index indexes.
-     */
-    default String userDescription( TokenNameLookup tokenNameLookup )
-    {
-        String type = isUnique() ? "UNIQUE" : "GENERAL";
-        return format( "Index( %s, %s )",  type, SchemaUtil.niceProperties( tokenNameLookup, properties() ) );
-    }
 }

community/kernel/src/main/java/org/neo4j/kernel/impl/api/state/ConstraintIndexCreator.java

@@ -173,8 +173,7 @@ public long createUniquenessConstraintIndex( KernelTransactionImplementation tra
         }
     }
 
-    private boolean indexStillExists( SchemaRead schemaRead, SchemaDescriptor descriptor,
-            IndexReference index )
+    private boolean indexStillExists( SchemaRead schemaRead, SchemaDescriptor descriptor, IndexReference index )
     {
         IndexReference existingIndex = schemaRead.index( descriptor.keyId(), descriptor.getPropertyIds() );
         return existingIndex != IndexReference.NO_INDEX && existingIndex.equals( index );

community/kernel/src/main/java/org/neo4j/kernel/impl/api/store/SchemaCache.java

@@ -190,8 +190,7 @@ private static class SchemaCacheState
         private final Map<Class<?>,Object> dependantState;
         private final MutableIntObjectMap<List<CapableIndexDescriptor>> indexByProperty;
 
-        SchemaCacheState( ConstraintSemantics constraintSemantics, Iterable<SchemaRule> rules,
-                          IndexProviderMap indexProviderMap )
+        SchemaCacheState( ConstraintSemantics constraintSemantics, Iterable<SchemaRule> rules, IndexProviderMap indexProviderMap )
         {
             this.constraintSemantics = constraintSemantics;
             this.indexProviderMap = indexProviderMap;

community/kernel/src/main/java/org/neo4j/kernel/impl/index/schema/NativeSchemaIndex.java

@@ -31,8 +31,8 @@
 import org.neo4j.io.pagecache.PageCache;
 import org.neo4j.io.pagecache.PageCursor;
 import org.neo4j.kernel.api.index.IndexProvider;
-import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 import org.neo4j.kernel.api.schema.index.IndexDescriptor;
+import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 
 import static org.neo4j.helpers.Format.duration;
 import static org.neo4j.helpers.collection.MapUtil.map;

community/kernel/src/main/java/org/neo4j/kernel/impl/newapi/Operations.java

@@ -888,10 +888,7 @@ public IndexReference indexCreate( SchemaDescriptor descriptor,
         assertIndexDoesNotExist( SchemaKernelException.OperationContext.INDEX_CREATION, descriptor );
 
         IndexProvider.Descriptor providerDescriptor = ktx.indexProviderForOrDefault( provider );
-        IndexDescriptor index =
-                IndexDescriptorFactory.forSchema( descriptor,
-                                                  name,
-                                                  providerDescriptor );
+        IndexDescriptor index = IndexDescriptorFactory.forSchema( descriptor, name, providerDescriptor );
         ktx.txState().indexDoAdd( index );
         return index;
     }

community/kernel/src/main/java/org/neo4j/kernel/impl/storageengine/impl/recordstorage/RecordStorageReader.java

@@ -307,8 +307,7 @@ public Long indexGetOwningUniquenessConstraintId( IndexDescriptor index )
     }
 
     @Override
-    public long indexGetCommittedId( IndexDescriptor index )
-            throws SchemaRuleNotFoundException
+    public long indexGetCommittedId( IndexDescriptor index ) throws SchemaRuleNotFoundException
     {
         StoreIndexDescriptor storeIndexDescriptor = getStoreIndexDescriptor( index );
         if ( storeIndexDescriptor == null )

community/kernel/src/main/java/org/neo4j/unsafe/batchinsert/internal/BatchInserterImpl.java

@@ -469,10 +469,8 @@ private void validateRelationshipConstraintCanBeCreated( int relTypeId, int prop
     private void createIndex( int labelId, int[] propertyKeyIds )
     {
         LabelSchemaDescriptor schema = SchemaDescriptorFactory.forLabel( labelId, propertyKeyIds );
-        StoreIndexDescriptor schemaRule =
-                IndexDescriptorFactory
-                .forSchema( schema, Optional.empty(), indexProviderMap.getDefaultProvider().getProviderDescriptor() )
-                .withId( schemaStore.nextId() );
+        IndexProvider.Descriptor providerDescriptor = indexProviderMap.getDefaultProvider().getProviderDescriptor();
+        StoreIndexDescriptor schemaRule = IndexDescriptorFactory.forSchema( schema, Optional.empty(), providerDescriptor ).withId( schemaStore.nextId() );
 
         for ( DynamicRecord record : schemaStore.allocateFrom( schemaRule ) )
         {
@@ -609,18 +607,10 @@ private void createUniqueIndexAndOwningConstraint( LabelSchemaDescriptor schema,
         long indexId = schemaStore.nextId();
         long constraintRuleId = schemaStore.nextId();
 
-        StoreIndexDescriptor storeIndexDescriptor =
-                IndexDescriptorFactory.uniqueForSchema(
-                        schema,
-                        this.indexProviderMap.getDefaultProvider().getProviderDescriptor()
-                ).withIds( indexId, constraintRuleId );
-
-        ConstraintRule constraintRule =
-                ConstraintRule.constraintRule(
-                        constraintRuleId,
-                        constraintDescriptor,
-                        indexId
-                );
+        IndexProvider.Descriptor providerDescriptor = this.indexProviderMap.getDefaultProvider().getProviderDescriptor();
+        StoreIndexDescriptor storeIndexDescriptor = IndexDescriptorFactory.uniqueForSchema( schema, providerDescriptor ).withIds( indexId, constraintRuleId );
+
+        ConstraintRule constraintRule = ConstraintRule.constraintRule( constraintRuleId, constraintDescriptor, indexId );
 
         for ( DynamicRecord record : schemaStore.allocateFrom( constraintRule ) )
         {

community/kernel/src/test/java/org/neo4j/kernel/api/index/CompositeIndexAccessorCompatibility.java

@@ -43,8 +43,7 @@
         " errors or warnings in some IDEs about test classes needing a public zero-arg constructor." )
 public abstract class CompositeIndexAccessorCompatibility extends IndexAccessorCompatibility
 {
-    public CompositeIndexAccessorCompatibility(
-            IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
+    public CompositeIndexAccessorCompatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
     {
         super( testSuite, descriptor );
     }

community/kernel/src/test/java/org/neo4j/kernel/api/index/CompositeIndexPopulatorCompatibility.java

@@ -49,8 +49,7 @@
         " errors or warnings in some IDEs about test classes needing a public zero-arg constructor." )
 public class CompositeIndexPopulatorCompatibility extends IndexProviderCompatibilityTestSuite.Compatibility
 {
-    public CompositeIndexPopulatorCompatibility(
-            IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
+    public CompositeIndexPopulatorCompatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
     {
         super( testSuite, descriptor );
     }

community/kernel/src/test/java/org/neo4j/kernel/api/index/SimpleIndexAccessorCompatibility.java

@@ -66,8 +66,7 @@
         " errors or warnings in some IDEs about test classes needing a public zero-arg constructor." )
 public abstract class SimpleIndexAccessorCompatibility extends IndexAccessorCompatibility
 {
-    public SimpleIndexAccessorCompatibility( IndexProviderCompatibilityTestSuite testSuite,
-            IndexDescriptor descriptor )
+    public SimpleIndexAccessorCompatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
     {
         super( testSuite, descriptor );
     }

community/kernel/src/test/java/org/neo4j/kernel/api/index/SimpleIndexPopulatorCompatibility.java

@@ -63,8 +63,7 @@
         " errors or warnings in some IDEs about test classes needing a public zero-arg constructor." )
 public class SimpleIndexPopulatorCompatibility extends IndexProviderCompatibilityTestSuite.Compatibility
 {
-    public SimpleIndexPopulatorCompatibility(
-            IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
+    public SimpleIndexPopulatorCompatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
     {
         super( testSuite, descriptor );
     }

community/kernel/src/test/java/org/neo4j/kernel/builtinprocs/BuiltInProceduresTest.java

@@ -414,8 +414,7 @@ private void givenIndex( String label, String propKey )
         int labelId = token( label, labels );
         int propId = token( propKey, propKeys );
 
-        IndexReference index =
-                IndexDescriptorFactory.forSchema( forLabel( labelId, propId ), InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR );
+        IndexReference index = IndexDescriptorFactory.forSchema( forLabel( labelId, propId ), InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR );
         indexes.add( index );
     }
 
@@ -424,8 +423,7 @@ private void givenUniqueConstraint( String label, String propKey )
         int labelId = token( label, labels );
         int propId = token( propKey, propKeys );
 
-        IndexReference index =
-                IndexDescriptorFactory.uniqueForSchema( forLabel( labelId, propId ), InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR );
+        IndexReference index = IndexDescriptorFactory.uniqueForSchema( forLabel( labelId, propId ), InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR );
         uniqueIndexes.add( index );
         constraints.add( ConstraintDescriptorFactory.uniqueForLabel( labelId, propId ) );
     }

community/kernel/src/test/java/org/neo4j/kernel/impl/api/index/BatchingMultipleIndexPopulatorTest.java

@@ -33,10 +33,8 @@
 import org.neo4j.kernel.api.exceptions.index.IndexPopulationFailedKernelException;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
 import org.neo4j.kernel.api.index.IndexPopulator;
-import org.neo4j.kernel.api.index.IndexProvider;
 import org.neo4j.kernel.api.index.IndexUpdater;
 import org.neo4j.kernel.api.schema.index.IndexDescriptor;
-import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 import org.neo4j.kernel.api.schema.index.TestIndexDescriptorFactory;
 import org.neo4j.kernel.impl.locking.LockService;
 import org.neo4j.kernel.impl.store.NeoStores;

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/LocalDateTimeUniqueSchemaIndexAccessorTest.java

@@ -40,7 +40,6 @@ NativeSchemaIndexAccessor<LocalDateTimeSchemaKey,NativeSchemaValue> makeAccessor
     @Override
     protected LayoutTestUtil<LocalDateTimeSchemaKey,NativeSchemaValue> createLayoutTestUtil()
     {
-        return new UniqueLayoutTestUtil<>( new LocalDateTimeLayoutTestUtil( TestIndexDescriptorFactory
-                                                                                    .uniqueForLabel( 42, 666 ) ) );
+        return new UniqueLayoutTestUtil<>( new LocalDateTimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
     }
 }

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/LocalTimeUniqueSchemaIndexPopulatorTest.java

@@ -36,7 +36,6 @@ NativeSchemaIndexPopulator<LocalTimeSchemaKey,NativeSchemaValue> createPopulator
     @Override
     protected LayoutTestUtil<LocalTimeSchemaKey,NativeSchemaValue> createLayoutTestUtil()
     {
-        return new UniqueLayoutTestUtil<>(
-                new LocalTimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
+        return new UniqueLayoutTestUtil<>( new LocalTimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
     }
 }

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NativeSchemaIndexAccessorTest.java

@@ -206,8 +206,8 @@ public void shouldHandleRandomUpdates() throws Exception
         for ( int round = 0; round < rounds; round++ )
         {
             // generate a batch of updates (add, change, remove)
-            IndexEntryUpdate<IndexDescriptor>[] batch = generateRandomUpdates( expectedData, newDataGenerator,
-                                                                               random.nextInt( 5, 20 ), (float) round / rounds * 2 );
+            IndexEntryUpdate<IndexDescriptor>[] batch =
+                    generateRandomUpdates( expectedData, newDataGenerator, random.nextInt( 5, 20 ), (float) round / rounds * 2 );
             // apply to tree
             processAll( batch );
             // apply to expectedData

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NumberLayoutTestUtil.java

@@ -26,14 +26,11 @@
 
 import org.neo4j.internal.kernel.api.IndexQuery;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
-import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 import org.neo4j.kernel.api.schema.index.IndexDescriptor;
 import org.neo4j.values.storable.NumberValue;
 import org.neo4j.values.storable.RandomValues;
 import org.neo4j.values.storable.Value;
 
-import static org.neo4j.kernel.impl.api.index.TestIndexProviderDescriptor.PROVIDER_DESCRIPTOR;
-
 abstract class NumberLayoutTestUtil extends LayoutTestUtil<NumberSchemaKey,NativeSchemaValue>
 {
     private static final Number[] ALL_EXTREME_VALUES = new Number[]

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/SpatialLayoutTestUtil.java

@@ -28,7 +28,6 @@
 import org.neo4j.index.internal.gbptree.Layout;
 import org.neo4j.internal.kernel.api.IndexQuery;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
-import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 import org.neo4j.kernel.api.schema.index.IndexDescriptor;
 import org.neo4j.kernel.impl.index.schema.config.SpaceFillingCurveSettings;
 import org.neo4j.values.storable.CoordinateReferenceSystem;
@@ -37,7 +36,6 @@
 import org.neo4j.values.storable.Value;
 import org.neo4j.values.storable.Values;
 
-import static org.neo4j.kernel.impl.api.index.TestIndexProviderDescriptor.PROVIDER_DESCRIPTOR;
 import static org.neo4j.values.storable.CoordinateReferenceSystem.WGS84;
 
 public class SpatialLayoutTestUtil extends LayoutTestUtil<SpatialSchemaKey,NativeSchemaValue>

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/SpatialNonUniqueSchemaIndexPopulatorTest.java

@@ -40,8 +40,7 @@ public class SpatialNonUniqueSchemaIndexPopulatorTest extends NativeNonUniqueSch
     NativeSchemaIndexPopulator<SpatialSchemaKey,NativeSchemaValue> createPopulator( IndexSamplingConfig samplingConfig )
     {
         fileLayout = new SpatialIndexFiles.SpatialFileLayout( crs, settings, super.getIndexFile() );
-        return new SpatialIndexPopulator.PartPopulator( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig,
-                new StandardConfiguration() );
+        return new SpatialIndexPopulator.PartPopulator( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig, new StandardConfiguration() );
     }
 
     @Override

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/SpatialUniqueSchemaIndexPopulatorTest.java

@@ -40,8 +40,7 @@ public class SpatialUniqueSchemaIndexPopulatorTest extends NativeUniqueSchemaInd
     NativeSchemaIndexPopulator<SpatialSchemaKey,NativeSchemaValue> createPopulator( IndexSamplingConfig samplingConfig )
     {
         fileLayout = new SpatialIndexFiles.SpatialFileLayout( crs, settings, super.getIndexFile() );
-        return new SpatialIndexPopulator.PartPopulator( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig,
-                new StandardConfiguration() );
+        return new SpatialIndexPopulator.PartPopulator( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig, new StandardConfiguration() );
     }
 
     @Override

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/TimeLayoutTestUtil.java

@@ -29,15 +29,12 @@
 import org.neo4j.index.internal.gbptree.Layout;
 import org.neo4j.internal.kernel.api.IndexQuery;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
-import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
 import org.neo4j.kernel.api.schema.index.IndexDescriptor;
 import org.neo4j.values.storable.RandomValues;
 import org.neo4j.values.storable.TimeValue;
 import org.neo4j.values.storable.Value;
 import org.neo4j.values.storable.Values;
 
-import static org.neo4j.kernel.impl.api.index.TestIndexProviderDescriptor.PROVIDER_DESCRIPTOR;
-
 public class TimeLayoutTestUtil extends LayoutTestUtil<ZonedTimeSchemaKey, NativeSchemaValue>
 {
     static long MAX_NANOS_PER_DAY = 86399999999999L;

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/TimeNonUniqueSchemaIndexPopulatorTest.java

@@ -28,8 +28,7 @@ public class TimeNonUniqueSchemaIndexPopulatorTest extends NativeNonUniqueSchema
     @Override
     NativeSchemaIndexPopulator<ZonedTimeSchemaKey,NativeSchemaValue> createPopulator( IndexSamplingConfig samplingConfig )
     {
-        TemporalIndexFiles.FileLayout<ZonedTimeSchemaKey> fileLayout =
-                new TemporalIndexFiles.FileLayout<>( getIndexFile(), layout, ValueGroup.ZONED_TIME );
+        TemporalIndexFiles.FileLayout<ZonedTimeSchemaKey> fileLayout = new TemporalIndexFiles.FileLayout<>( getIndexFile(), layout, ValueGroup.ZONED_TIME );
         return new TemporalIndexPopulator.PartPopulator<>( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig );
     }
 

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/TimeUniqueSchemaIndexAccessorTest.java

@@ -39,8 +39,7 @@ NativeSchemaIndexAccessor<ZonedTimeSchemaKey,NativeSchemaValue> makeAccessorWith
     @Override
     protected LayoutTestUtil<ZonedTimeSchemaKey,NativeSchemaValue> createLayoutTestUtil()
     {
-        return new UniqueLayoutTestUtil<>(
-                new TimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
+        return new UniqueLayoutTestUtil<>( new TimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
     }
 
 }

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/TimeUniqueSchemaIndexPopulatorTest.java

@@ -28,15 +28,13 @@ public class TimeUniqueSchemaIndexPopulatorTest extends NativeUniqueSchemaIndexP
     @Override
     NativeSchemaIndexPopulator<ZonedTimeSchemaKey,NativeSchemaValue> createPopulator( IndexSamplingConfig samplingConfig )
     {
-        TemporalIndexFiles.FileLayout<ZonedTimeSchemaKey> fileLayout =
-                new TemporalIndexFiles.FileLayout<>( getIndexFile(), layout, ValueGroup.ZONED_TIME );
+        TemporalIndexFiles.FileLayout<ZonedTimeSchemaKey> fileLayout = new TemporalIndexFiles.FileLayout<>( getIndexFile(), layout, ValueGroup.ZONED_TIME );
         return new TemporalIndexPopulator.PartPopulator<>( pageCache, fs, fileLayout, monitor, indexDescriptor, samplingConfig );
     }
 
     @Override
     protected LayoutTestUtil<ZonedTimeSchemaKey,NativeSchemaValue> createLayoutTestUtil()
     {
-        return new UniqueLayoutTestUtil<>(
-                new TimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
+        return new UniqueLayoutTestUtil<>( new TimeLayoutTestUtil( TestIndexDescriptorFactory.uniqueForLabel( 42, 666 ) ) );
     }
 }

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/fusion/FusionIndexProviderTest.java

@@ -205,8 +205,7 @@ public void getPopulationFailureMustReportFailureWhenAnyFailed()
             }
 
             // then
-            assertThat( fusionIndexProvider.getPopulationFailure( AN_INDEX ),
-                    containsString( failure ) );
+            assertThat( fusionIndexProvider.getPopulationFailure( AN_INDEX ), containsString( failure ) );
         }
     }
 

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/fusion/FusionIndexReaderTest.java

@@ -122,9 +122,9 @@ private void initiateMocks()
                 throw new RuntimeException();
             }
         }
-        fusionIndexReader = new FusionIndexReader( fusionVersion.slotSelector(), new LazyInstanceSelector<>( readers, throwingFactory() ),
-                TestIndexDescriptorFactory.forLabel( LABEL_KEY, PROP_KEY ) );
-    }
+        fusionIndexReader = new FusionIndexReader(  fusionVersion.slotSelector(), new LazyInstanceSelector<>( readers, throwingFactory() ),
+                TestIndexDescriptorFactory
+                .forLabel( LABEL_KEY, PROP_KEY ) );}
 
     private IntFunction<IndexReader> throwingFactory()
     {