Hierarchy For All Packages

Package Hierarchies:

• io.jenetics,
• io.jenetics.engine,
• io.jenetics.ext,
• io.jenetics.ext.engine,
• io.jenetics.ext.grammar,
• io.jenetics.ext.moea,
• io.jenetics.ext.rewriting,
• io.jenetics.ext.util,
• io.jenetics.prog,
• io.jenetics.prog.op,
• io.jenetics.prog.regression,
• io.jenetics.stat,
• io.jenetics.util,
• io.jenetics.xml,
• io.jenetics.xml.stream

Class Hierarchy

• java.lang.Object
  • io.jenetics.AbstractAlterer<G,C> (implements io.jenetics.Alterer<G,C>)
    • io.jenetics.Mutator<G,C>
      • io.jenetics.GaussianMutator<G,C>
      • io.jenetics.ext.HPRMutator<G,C>
      • io.jenetics.ext.RSMutator<G,C>
      • io.jenetics.ShiftMutator<G,C>
      • io.jenetics.ShuffleMutator<G,C>
      • io.jenetics.SwapMutator<G,C>
      • io.jenetics.ext.TreeMutator<A,G,C>
        • io.jenetics.ext.TreeRewriteAlterer<A,G,C>
          • io.jenetics.prog.MathRewriteAlterer<G,C>
      • io.jenetics.ext.WeaselMutator<G,C>
    • io.jenetics.Recombinator<G,C>
      • io.jenetics.CombineAlterer<G,C>
        • io.jenetics.MeanAlterer<G,C>
      • io.jenetics.Crossover<G,C>
        • io.jenetics.IntermediateCrossover<G,C>
        • io.jenetics.LineCrossover<G,C>
        • io.jenetics.MultiPointCrossover<G,C>
          • io.jenetics.SinglePointCrossover<G,C>
        • io.jenetics.PartiallyMatchedCrossover<T,C>
        • io.jenetics.ext.SimulatedBinaryCrossover<G,C>
        • io.jenetics.UniformCrossover<G,C>
        • io.jenetics.UniformOderBasedCrossover<T,C>
      • io.jenetics.ext.TreeCrossover<G,C>
        • io.jenetics.ext.SingleNodeCrossover<G,C>
  • io.jenetics.AbstractChromosome<G> (implements io.jenetics.Chromosome<G>)
    • io.jenetics.ext.AbstractTreeChromosome<A,G> (implements io.jenetics.ext.TreeChromosome<A,G>)
      • io.jenetics.prog.ProgramChromosome<A> (implements java.util.function.Function<T,R>, java.io.Serializable)
    • io.jenetics.AnyChromosome<A>
    • io.jenetics.ext.BigIntegerChromosome (implements io.jenetics.NumericChromosome<N,G>, java.io.Serializable)
    • io.jenetics.CharacterChromosome (implements java.lang.CharSequence, java.io.Serializable)
    • io.jenetics.DoubleChromosome (implements io.jenetics.NumericChromosome<N,G>, java.io.Serializable)
    • io.jenetics.IntegerChromosome (implements io.jenetics.NumericChromosome<N,G>, java.io.Serializable)
    • io.jenetics.LongChromosome (implements io.jenetics.NumericChromosome<N,G>, java.io.Serializable)
    • io.jenetics.PermutationChromosome<T> (implements java.io.Serializable)
  • java.util.AbstractCollection<E> (implements java.util.Collection<E>)
    • java.util.AbstractSet<E> (implements java.util.Set<E>)
      • io.jenetics.ext.moea.ParetoFront<T>
  • io.jenetics.ext.AbstractTreeGene<A,G> (implements java.io.Serializable, io.jenetics.ext.TreeGene<A,G>)
    • io.jenetics.prog.ProgramGene<A> (implements java.util.function.Function<T,R>, io.jenetics.Gene<A,G>)
  • io.jenetics.AnyGene<A> (implements io.jenetics.Gene<A,G>)
  • io.jenetics.internal.collection.ArraySeq<T> (implements java.util.RandomAccess, io.jenetics.util.Seq<T>, java.io.Serializable)
    • io.jenetics.internal.collection.ArrayISeq<T> (implements io.jenetics.util.ISeq<T>)
      • io.jenetics.util.CharSeq (implements java.lang.CharSequence, java.lang.Comparable<T>, io.jenetics.util.ISeq<T>, java.io.Serializable)
  • io.jenetics.ext.BigIntegerGene (implements io.jenetics.util.Mean<T>, io.jenetics.NumericGene<N,G>, java.io.Serializable)
  • io.jenetics.ext.grammar.Bnf
  • io.jenetics.CharacterGene (implements java.lang.Comparable<T>, io.jenetics.Gene<A,G>, java.io.Serializable)
  • java.time.Clock (implements java.time.InstantSource)
    • io.jenetics.util.NanoClock (implements java.io.Serializable)
  • io.jenetics.engine.Codecs
  • io.jenetics.ext.grammar.Codons (implements io.jenetics.ext.grammar.SymbolIndex)
  • io.jenetics.ext.engine.ConcatEngine<G,C>
  • io.jenetics.prog.op.ConstRewriter<T> (implements io.jenetics.ext.rewriting.TreeRewriter<V>)
  • io.jenetics.util.Conversions
  • io.jenetics.ext.util.CsvSupport
  • io.jenetics.ext.util.CsvSupport.ColumnJoiner
  • io.jenetics.ext.util.CsvSupport.LineReader
  • io.jenetics.ext.util.CsvSupport.LineSplitter
  • io.jenetics.ext.engine.CyclicEngine<G,C>
  • io.jenetics.ext.grammar.DerivationTreeGenerator<T> (implements io.jenetics.ext.grammar.Generator<T,R>)
  • io.jenetics.DoubleGene (implements java.lang.Comparable<T>, io.jenetics.util.Mean<T>, io.jenetics.NumericGene<N,G>, java.io.Serializable)
  • io.jenetics.stat.DoubleMomentStatistics (implements java.util.function.DoubleConsumer)
  • io.jenetics.util.DoubleRange (implements java.io.Serializable)
  • io.jenetics.EliteSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.engine.Engine<G,C> (implements io.jenetics.engine.Evaluator<G,C>, io.jenetics.engine.Evolution<G,C>, io.jenetics.engine.EvolutionStreamable<G,C>)
  • io.jenetics.engine.Engine.Builder<G,C> (implements io.jenetics.util.Copyable<T>)
  • io.jenetics.EnumGene<A> (implements java.lang.Comparable<T>, io.jenetics.Gene<A,G>, java.io.Serializable)
  • io.jenetics.engine.Evaluators
  • io.jenetics.engine.EvolutionInit<G> (implements java.io.Serializable)
  • io.jenetics.engine.EvolutionParams<G,C> (implements java.io.Serializable)
  • io.jenetics.engine.EvolutionParams.Builder<G,C>
  • io.jenetics.engine.EvolutionResult<G,C> (implements java.lang.Comparable<T>, java.io.Serializable)
  • io.jenetics.engine.EvolutionStart<G,C> (implements java.io.Serializable)
  • io.jenetics.engine.EvolutionStatistics<C,FitnessStatistics> (implements java.util.function.Consumer<T>)
  • io.jenetics.engine.FitnessNullifier<G,C> (implements io.jenetics.engine.EvolutionInterceptor<G,C>)
  • io.jenetics.ext.util.FlatTreeNode<V> (implements io.jenetics.ext.util.FlatTree<V,T>, java.io.Serializable)
  • io.jenetics.Genotype<G> (implements io.jenetics.util.BaseSeq<T>, io.jenetics.util.Factory<T>, java.io.Serializable, io.jenetics.util.Verifiable)
  • io.jenetics.IntegerGene (implements java.lang.Comparable<T>, io.jenetics.util.Mean<T>, io.jenetics.NumericGene<N,G>, java.io.Serializable)
  • io.jenetics.stat.IntMomentStatistics (implements java.util.function.IntConsumer)
  • io.jenetics.util.IntRange (implements java.io.Serializable)
  • io.jenetics.util.IO
  • io.jenetics.engine.Limits
  • io.jenetics.LongGene (implements java.lang.Comparable<T>, io.jenetics.util.Mean<T>, io.jenetics.NumericGene<N,G>, java.io.Serializable)
  • io.jenetics.stat.LongMomentStatistics (implements java.util.function.IntConsumer, java.util.function.LongConsumer)
  • io.jenetics.util.LongRange (implements java.io.Serializable)
  • io.jenetics.ext.grammar.Mappers
  • io.jenetics.prog.op.MathExpr (implements java.util.function.Function<T,R>, java.io.Serializable)
  • io.jenetics.stat.MinMax<C> (implements java.util.function.Consumer<T>)
  • io.jenetics.ext.MLEvolutionStrategy<G,C> (implements io.jenetics.engine.Engine.Setup<G,C>)
  • io.jenetics.ext.moea.MOEA
  • io.jenetics.MonteCarloSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.ext.MpLEvolutionStrategy<G,C> (implements io.jenetics.engine.Engine.Setup<G,C>)
  • io.jenetics.ext.moea.NSGA2Selector<G,C> (implements io.jenetics.Selector<G,C>)
  • java.lang.Number (implements java.io.Serializable)
    • io.jenetics.BitChromosome (implements io.jenetics.Chromosome<G>, java.lang.Comparable<T>, java.io.Serializable)
  • io.jenetics.util.Ordered<T> (implements java.lang.Comparable<T>, java.util.function.Supplier<T>)
  • io.jenetics.ext.moea.Pareto
  • io.jenetics.PartialAlterer<G,C> (implements io.jenetics.Alterer<G,C>)
  • io.jenetics.Phenotype<G,C> (implements java.lang.Comparable<T>, java.io.Serializable, io.jenetics.util.Verifiable)
  • io.jenetics.ProbabilitySelector<G,C> (implements io.jenetics.Selector<G,C>)
    • io.jenetics.BoltzmannSelector<G,N>
    • io.jenetics.ExponentialRankSelector<G,C>
    • io.jenetics.LinearRankSelector<G,C>
    • io.jenetics.RouletteWheelSelector<G,N>
      • io.jenetics.StochasticUniversalSelector<G,N>
  • io.jenetics.prog.op.Program<T> (implements io.jenetics.prog.op.Op<T>, java.io.Serializable)
  • io.jenetics.util.ProxySorter
  • io.jenetics.stat.Quantile (implements java.util.function.DoubleConsumer)
  • java.util.Random (implements java.util.random.RandomGenerator, java.io.Serializable)
    • io.jenetics.util.RandomAdapter
  • io.jenetics.util.RandomRegistry
  • io.jenetics.xml.stream.Reader<T>
  • io.jenetics.xml.Readers
  • io.jenetics.xml.Readers.BitChromosome
  • io.jenetics.xml.Readers.BoundedChromosome
  • io.jenetics.xml.Readers.CharacterChromosome
  • io.jenetics.xml.Readers.DoubleChromosome
  • io.jenetics.xml.Readers.Genotype
  • io.jenetics.xml.Readers.Genotypes
  • io.jenetics.xml.Readers.IntegerChromosome
  • io.jenetics.xml.Readers.LongChromosome
  • io.jenetics.xml.Readers.PermutationChromosome
  • io.jenetics.prog.regression.Regression<T> (implements io.jenetics.engine.Problem<T,G,C>)
  • io.jenetics.engine.RetryConstraint<G,C> (implements io.jenetics.engine.Constraint<G,C>)
  • io.jenetics.prog.regression.SampleBuffer<T> (implements io.jenetics.prog.regression.Sampling<T>)
  • io.jenetics.stat.Samplers
  • io.jenetics.ext.grammar.SentenceGenerator<T> (implements io.jenetics.ext.grammar.Generator<T,R>)
  • io.jenetics.util.Streams
  • java.util.concurrent.SubmissionPublisher<T> (implements java.lang.AutoCloseable, java.util.concurrent.Flow.Publisher<T>)
    • io.jenetics.util.StreamPublisher<T>
  • io.jenetics.TournamentSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.ext.util.Tree.Path (implements java.lang.Comparable<T>, java.io.Serializable)
  • io.jenetics.ext.util.TreeFormatter
  • io.jenetics.ext.rewriting.TreeMatcher<V>
  • io.jenetics.ext.rewriting.TreeMatchResult<V>
  • io.jenetics.ext.util.TreeNode<T> (implements io.jenetics.util.Copyable<T>, java.lang.Iterable<T>, java.io.Serializable, io.jenetics.ext.util.Tree<V,T>)
  • io.jenetics.ext.rewriting.TreePattern<V> (implements java.io.Serializable)
  • io.jenetics.ext.rewriting.TreeRewriteRule<V> (implements java.io.Serializable, io.jenetics.ext.rewriting.TreeRewriter<V>)
  • io.jenetics.ext.rewriting.TRS<V> (implements java.io.Serializable, io.jenetics.ext.rewriting.TreeRewriter<V>)
  • io.jenetics.TruncationSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.ext.moea.UFTournamentSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.prog.op.Val<T> (implements io.jenetics.prog.op.Op<T>)
    • io.jenetics.prog.op.Const<T> (implements java.io.Serializable)
    • io.jenetics.prog.op.EphemeralConst<T> (implements io.jenetics.prog.op.Op<T>, java.io.Serializable)
  • io.jenetics.prog.op.Var<T> (implements java.lang.Comparable<T>, io.jenetics.prog.op.Op<T>, java.io.Serializable)
  • io.jenetics.ext.WeaselProgram<G,C> (implements io.jenetics.engine.Engine.Setup<G,C>)
  • io.jenetics.ext.WeaselSelector<G,C> (implements io.jenetics.Selector<G,C>)
  • io.jenetics.xml.Writers
  • io.jenetics.xml.Writers.BitChromosome
  • io.jenetics.xml.Writers.BoundedChromosome
  • io.jenetics.xml.Writers.CharacterChromosome
  • io.jenetics.xml.Writers.DoubleChromosome
  • io.jenetics.xml.Writers.Genotype
  • io.jenetics.xml.Writers.Genotypes
  • io.jenetics.xml.Writers.IntegerChromosome
  • io.jenetics.xml.Writers.LongChromosome
  • io.jenetics.xml.Writers.PermutationChromosome
  • io.jenetics.xml.stream.XML

Interface Hierarchy

• io.jenetics.Alterer<G,C>
• java.lang.AutoCloseable
  • io.jenetics.xml.stream.AutoCloseableXMLStreamReader (also extends javax.xml.stream.XMLStreamReader)
  • io.jenetics.xml.stream.AutoCloseableXMLStreamWriter (also extends javax.xml.stream.XMLStreamWriter)
  • java.util.stream.BaseStream<T,S>
    • java.util.stream.Stream<T>
      • io.jenetics.engine.EvolutionStream<G,C>
• io.jenetics.util.BatchExecutor
• io.jenetics.xml.BoundedGeneCreator<A,G>
• io.jenetics.ext.grammar.Cfg.Symbol<T>
• io.jenetics.engine.Codec<T,G>
  • io.jenetics.engine.InvertibleCodec<T,G>
• java.util.stream.Collector<T,A,R>
  • io.jenetics.util.Accumulator<T,A,R> (also extends java.util.function.Consumer<T>)
• java.lang.Comparable<T>
  • io.jenetics.BoundedGene<A,G> (also extends io.jenetics.Gene<A,G>)
    • io.jenetics.NumericGene<N,G>
  • io.jenetics.ext.moea.Vec<T>
• io.jenetics.prog.regression.Complexity<T>
• io.jenetics.engine.Constraint<G,C>
• java.util.function.Consumer<T>
  • io.jenetics.util.Accumulator<T,A,R> (also extends java.util.stream.Collector<T,A,R>)
• io.jenetics.util.Copyable<T>
  • io.jenetics.util.ISeq<T> (also extends io.jenetics.util.Seq<T>)
  • io.jenetics.util.MSeq<T> (also extends io.jenetics.util.Seq<T>)
• io.jenetics.ext.moea.ElementComparator<V>
• io.jenetics.ext.moea.ElementDistance<V>
• io.jenetics.engine.Engine.Setup<G,C>
• io.jenetics.prog.regression.Error<T>
• io.jenetics.engine.Evaluator<G,C>
• io.jenetics.engine.Evolution<G,C>
• io.jenetics.engine.EvolutionInterceptor<G,C>
• io.jenetics.engine.EvolutionStreamable<G,C>
• io.jenetics.util.Factory<T>
  • io.jenetics.Chromosome<G> (also extends io.jenetics.util.BaseSeq<T>, io.jenetics.util.Verifiable)
    • io.jenetics.BoundedChromosome<A,G>
      • io.jenetics.NumericChromosome<N,G>
    • io.jenetics.ext.TreeChromosome<A,G>
  • io.jenetics.Gene<A,G> (also extends io.jenetics.util.Self<S>, io.jenetics.util.Verifiable)
    • io.jenetics.BoundedGene<A,G> (also extends java.lang.Comparable<T>)
      • io.jenetics.NumericGene<N,G>
    • io.jenetics.ext.TreeGene<A,G> (also extends io.jenetics.ext.util.FlatTree<V,T>)
• java.util.function.Function<T,R>
  • io.jenetics.prog.op.Op<T> (also extends java.util.function.Supplier<T>)
• io.jenetics.ext.grammar.Generator<T,R>
• java.util.function.IntFunction<R>
  • io.jenetics.util.Seq<T> (also extends io.jenetics.util.BaseSeq<T>)
    • io.jenetics.util.ISeq<T> (also extends io.jenetics.util.Copyable<T>)
    • io.jenetics.util.MSeq<T> (also extends io.jenetics.util.Copyable<T>)
• java.lang.Iterable<T>
  • io.jenetics.util.BaseSeq<T> (also extends java.util.RandomAccess)
    • io.jenetics.Chromosome<G> (also extends io.jenetics.util.Factory<T>, io.jenetics.util.Verifiable)
      • io.jenetics.BoundedChromosome<A,G>
        • io.jenetics.NumericChromosome<N,G>
      • io.jenetics.ext.TreeChromosome<A,G>
    • io.jenetics.util.Seq<T> (also extends java.util.function.IntFunction<R>)
      • io.jenetics.util.ISeq<T> (also extends io.jenetics.util.Copyable<T>)
      • io.jenetics.util.MSeq<T> (also extends io.jenetics.util.Copyable<T>)
  • io.jenetics.ext.util.Tree<V,T> (also extends io.jenetics.util.Self<S>)
    • io.jenetics.ext.util.FlatTree<V,T>
      • io.jenetics.ext.TreeGene<A,G> (also extends io.jenetics.Gene<A,G>)
• io.jenetics.prog.regression.LossFunction<T>
• io.jenetics.util.Mean<T>
• io.jenetics.engine.Problem<T,G,C>
• io.jenetics.util.ProxySorter.Comparator<T>
• java.util.RandomAccess
  • io.jenetics.util.BaseSeq<T> (also extends java.lang.Iterable<T>)
    • io.jenetics.Chromosome<G> (also extends io.jenetics.util.Factory<T>, io.jenetics.util.Verifiable)
      • io.jenetics.BoundedChromosome<A,G>
        • io.jenetics.NumericChromosome<N,G>
      • io.jenetics.ext.TreeChromosome<A,G>
    • io.jenetics.util.Seq<T> (also extends java.util.function.IntFunction<R>)
      • io.jenetics.util.ISeq<T> (also extends io.jenetics.util.Copyable<T>)
      • io.jenetics.util.MSeq<T> (also extends io.jenetics.util.Copyable<T>)
• io.jenetics.prog.regression.Sample<T>
• io.jenetics.stat.Sampler
• io.jenetics.prog.regression.Sampling<T>
• io.jenetics.Selector<G,C>
• io.jenetics.util.Self<S>
  • io.jenetics.Gene<A,G> (also extends io.jenetics.util.Factory<T>, io.jenetics.util.Verifiable)
    • io.jenetics.BoundedGene<A,G> (also extends java.lang.Comparable<T>)
      • io.jenetics.NumericGene<N,G>
    • io.jenetics.ext.TreeGene<A,G> (also extends io.jenetics.ext.util.FlatTree<V,T>)
  • io.jenetics.ext.util.Tree<V,T> (also extends java.lang.Iterable<T>)
    • io.jenetics.ext.util.FlatTree<V,T>
      • io.jenetics.ext.TreeGene<A,G> (also extends io.jenetics.Gene<A,G>)
• io.jenetics.ShiftMutator.RangeRandom
• io.jenetics.ShuffleMutator.RangeRandom
• java.util.function.Supplier<T>
  • io.jenetics.prog.op.Op<T> (also extends java.util.function.Function<T,R>)
• io.jenetics.ext.grammar.SymbolIndex
• io.jenetics.ext.rewriting.TreePattern.Decl<V>
• io.jenetics.ext.rewriting.TreeRewriter<V>
• io.jenetics.ext.moea.VecFactory<T>
• io.jenetics.util.Verifiable
  • io.jenetics.Chromosome<G> (also extends io.jenetics.util.BaseSeq<T>, io.jenetics.util.Factory<T>)
    • io.jenetics.BoundedChromosome<A,G>
      • io.jenetics.NumericChromosome<N,G>
    • io.jenetics.ext.TreeChromosome<A,G>
  • io.jenetics.Gene<A,G> (also extends io.jenetics.util.Factory<T>, io.jenetics.util.Self<S>)
    • io.jenetics.BoundedGene<A,G> (also extends java.lang.Comparable<T>)
      • io.jenetics.NumericGene<N,G>
    • io.jenetics.ext.TreeGene<A,G> (also extends io.jenetics.ext.util.FlatTree<V,T>)
• io.jenetics.xml.stream.Writer<T>
• javax.xml.stream.XMLStreamConstants
  • javax.xml.stream.XMLStreamReader
    • io.jenetics.xml.stream.AutoCloseableXMLStreamReader (also extends java.lang.AutoCloseable)
• javax.xml.stream.XMLStreamWriter
  • io.jenetics.xml.stream.AutoCloseableXMLStreamWriter (also extends java.lang.AutoCloseable)

Enum Class Hierarchy

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    • io.jenetics.BitGene (implements java.lang.Comparable<T>, io.jenetics.Gene<A,G>)
    • io.jenetics.prog.op.BoolOp (implements io.jenetics.prog.op.Op<T>)
    • io.jenetics.prog.op.MathOp (implements io.jenetics.prog.op.Op<T>)
    • io.jenetics.Optimize
    • io.jenetics.ext.grammar.SentenceGenerator.Expansion

Record Class Hierarchy

• java.lang.Object
  • java.lang.Record
    • io.jenetics.AltererResult<G,C> (implements java.io.Serializable)
    • io.jenetics.ext.grammar.Cfg<T>
    • io.jenetics.ext.grammar.Cfg.Expression<T>
    • io.jenetics.ext.grammar.Cfg.NonTerminal<T> (implements io.jenetics.ext.grammar.Cfg.Symbol<T>)
    • io.jenetics.ext.grammar.Cfg.Rule<T>
    • io.jenetics.ext.grammar.Cfg.Terminal<T> (implements io.jenetics.ext.grammar.Cfg.Symbol<T>)
    • io.jenetics.ext.util.CsvSupport.ColumnIndexes
    • io.jenetics.ext.util.CsvSupport.Quote
    • io.jenetics.ext.util.CsvSupport.Separator
    • io.jenetics.stat.DoubleMoments (implements java.io.Serializable)
    • io.jenetics.stat.DoubleSummary (implements java.io.Serializable)
    • io.jenetics.engine.EvolutionDurations (implements java.lang.Comparable<T>, java.io.Serializable)
    • io.jenetics.stat.IntMoments (implements java.io.Serializable)
    • io.jenetics.stat.IntSummary (implements java.io.Serializable)
    • io.jenetics.stat.LongMoments (implements java.io.Serializable)
    • io.jenetics.stat.LongSummary (implements java.io.Serializable)
    • io.jenetics.MutatorResult<T> (implements java.io.Serializable)
    • io.jenetics.prog.regression.Sampling.Result<T>
    • io.jenetics.ShiftMutator.Range
    • io.jenetics.ShuffleMutator.Range
    • io.jenetics.ext.rewriting.TreePattern.Val<V> (implements java.io.Serializable, io.jenetics.ext.rewriting.TreePattern.Decl<V>)
    • io.jenetics.ext.rewriting.TreePattern.Var<V> (implements java.lang.Comparable<T>, java.io.Serializable, io.jenetics.ext.rewriting.TreePattern.Decl<V>)