org.eclipse.collections/eclipse-collections/10.4.0 : org/eclipse/collections/impl/UnmodifiableRichIterable.java

UnmodifiableRichIterable
https://github.com/eclipse/eclipse-collections/eclipse-collections: Eclipse Collections is a collections framework for Java. It has JDK-compatible List, Set and Map implementations with a rich API and set of utility classes that work with any JDK compatible Collections, Arrays, Maps or Strings. The iteration protocol was inspired by the Smalltalk collection framework.
Craig P. Motlin
Donald Raab
Mohammad A. Rezaei
Hiroshi Ito
Nikhil J. Nanivadekar
/*
 * Copyright (c) 2020 Goldman Sachs and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

package org.eclipse.collections.impl;

import java.io.Serializable;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;
import java.util.Optional;

import org.eclipse.collections.api.BooleanIterable;
import org.eclipse.collections.api.ByteIterable;
import org.eclipse.collections.api.CharIterable;
import org.eclipse.collections.api.DoubleIterable;
import org.eclipse.collections.api.FloatIterable;
import org.eclipse.collections.api.IntIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.ShortIterable;
import org.eclipse.collections.api.bag.MutableBag;
import org.eclipse.collections.api.bag.sorted.MutableSortedBag;
import org.eclipse.collections.api.bimap.MutableBiMap;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.function.Function0;
import org.eclipse.collections.api.block.function.Function2;
import org.eclipse.collections.api.block.function.primitive.BooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteFunction;
import org.eclipse.collections.api.block.function.primitive.CharFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleObjectToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.FloatFunction;
import org.eclipse.collections.api.block.function.primitive.FloatObjectToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.IntFunction;
import org.eclipse.collections.api.block.function.primitive.IntObjectToIntFunction;
import org.eclipse.collections.api.block.function.primitive.LongFunction;
import org.eclipse.collections.api.block.function.primitive.LongObjectToLongFunction;
import org.eclipse.collections.api.block.function.primitive.ShortFunction;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.collection.primitive.MutableBooleanCollection;
import org.eclipse.collections.api.collection.primitive.MutableByteCollection;
import org.eclipse.collections.api.collection.primitive.MutableCharCollection;
import org.eclipse.collections.api.collection.primitive.MutableDoubleCollection;
import org.eclipse.collections.api.collection.primitive.MutableFloatCollection;
import org.eclipse.collections.api.collection.primitive.MutableIntCollection;
import org.eclipse.collections.api.collection.primitive.MutableLongCollection;
import org.eclipse.collections.api.collection.primitive.MutableShortCollection;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.map.MapIterable;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.map.MutableMapIterable;
import org.eclipse.collections.api.map.primitive.ObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.ObjectLongMap;
import org.eclipse.collections.api.map.sorted.MutableSortedMap;
import org.eclipse.collections.api.multimap.Multimap;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.api.partition.PartitionIterable;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.sorted.MutableSortedSet;
import org.eclipse.collections.api.tuple.Pair;

An unmodifiable view of a RichIterable.
/**
 * An unmodifiable view of a RichIterable.
 */
public class UnmodifiableRichIterable<T>
        implements RichIterable<T>, Serializable
{
    private static final long serialVersionUID = 1L;

    protected final RichIterable<T> iterable;

    protected UnmodifiableRichIterable(RichIterable<T> richIterable)
    {
        this.iterable = richIterable;
    }

    This method will take a RichIterable and wrap it directly in a UnmodifiableRichIterable.
/**
     * This method will take a RichIterable and wrap it directly in a UnmodifiableRichIterable.
     */
    public static <E, RI extends RichIterable<E>> UnmodifiableRichIterable<E> of(RI iterable)
    {
        if (iterable == null)
        {
            throw new IllegalArgumentException("cannot create a UnmodifiableRichIterable for null");
        }
        return new UnmodifiableRichIterable<>(iterable);
    }

    @Override
    public <R extends Collection<T>> R select(Predicate<? super T> predicate, R target)
    {
        return this.iterable.select(predicate, target);
    }

    @Override
    public <P> RichIterable<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.selectWith(predicate, parameter);
    }

    @Override
    public <P, R extends Collection<T>> R selectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection)
    {
        return this.iterable.selectWith(predicate, parameter, targetCollection);
    }

    @Override
    public <R extends Collection<T>> R reject(Predicate<? super T> predicate, R target)
    {
        return this.iterable.reject(predicate, target);
    }

    @Override
    public <P> RichIterable<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.rejectWith(predicate, parameter);
    }

    @Override
    public <P, R extends Collection<T>> R rejectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection)
    {
        return this.iterable.rejectWith(predicate, parameter, targetCollection);
    }

    @Override
    public PartitionIterable<T> partition(Predicate<? super T> predicate)
    {
        return this.iterable.partition(predicate);
    }

    @Override
    public <P> PartitionIterable<T> partitionWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.partitionWith(predicate, parameter);
    }

    @Override
    public <V, R extends Collection<V>> R collect(Function<? super T, ? extends V> function, R target)
    {
        return this.iterable.collect(function, target);
    }

    @Override
    public <P, V> RichIterable<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter)
    {
        return this.iterable.collectWith(function, parameter);
    }

    @Override
    public <P, V, R extends Collection<V>> R collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter, R targetCollection)
    {
        return this.iterable.collectWith(function, parameter, targetCollection);
    }

    @Override
    public <V, R extends Collection<V>> R collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function, R target)
    {
        return this.iterable.collectIf(predicate, function, target);
    }

    @Override
    public <V, R extends Collection<V>> R flatCollect(Function<? super T, ? extends Iterable<V>> function, R target)
    {
        return this.iterable.flatCollect(function, target);
    }

    @Override
    public boolean contains(Object object)
    {
        return this.iterable.contains(object);
    }

    @Override
    public boolean containsAllIterable(Iterable<?> source)
    {
        return this.iterable.containsAllIterable(source);
    }

    @Override
    public boolean containsAll(Collection<?> source)
    {
        return this.iterable.containsAll(source);
    }

    @Override
    public boolean containsAllArguments(Object... elements)
    {
        return this.iterable.containsAllArguments(elements);
    }

    @Override
    public Object[] toArray()
    {
        return this.iterable.toArray();
    }

    @Override
    public <T> T[] toArray(T[] a)
    {
        return this.iterable.toArray(a);
    }

    @Override
    public RichIterable<T> tap(Procedure<? super T> procedure)
    {
        this.forEach(procedure);
        return this;
    }

    @Override
    public void each(Procedure<? super T> procedure)
    {
        this.iterable.forEach(procedure);
    }

    @Override
    public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure)
    {
        this.iterable.forEachWithIndex(objectIntProcedure);
    }

    @Override
    public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter)
    {
        this.iterable.forEachWith(procedure, parameter);
    }

    @Override
    public boolean notEmpty()
    {
        return this.iterable.notEmpty();
    }

    @Override
    public boolean isEmpty()
    {
        return this.iterable.isEmpty();
    }

    @Override
    public int size()
    {
        return this.iterable.size();
    }

    @Override
    public T getFirst()
    {
        return this.iterable.getFirst();
    }

    @Override
    public T getLast()
    {
        return this.iterable.getLast();
    }

    @Override
    public T getOnly()
    {
        return this.iterable.getOnly();
    }

    @Override
    public RichIterable<T> select(Predicate<? super T> predicate)
    {
        return this.iterable.select(predicate);
    }

    @Override
    public RichIterable<T> reject(Predicate<? super T> predicate)
    {
        return this.iterable.reject(predicate);
    }

    @Override
    public <S> RichIterable<S> selectInstancesOf(Class<S> clazz)
    {
        return this.iterable.selectInstancesOf(clazz);
    }

    @Override
    public <V> RichIterable<V> collect(Function<? super T, ? extends V> function)
    {
        return this.iterable.collect(function);
    }

    @Override
    public BooleanIterable collectBoolean(BooleanFunction<? super T> booleanFunction)
    {
        return this.iterable.collectBoolean(booleanFunction);
    }

    @Override
    public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target)
    {
        return this.iterable.collectBoolean(booleanFunction, target);
    }

    @Override
    public <R extends MutableBooleanCollection> R flatCollectBoolean(
            Function<? super T, ? extends BooleanIterable> function, R target)
    {
        return this.iterable.flatCollectBoolean(function, target);
    }

    @Override
    public ByteIterable collectByte(ByteFunction<? super T> byteFunction)
    {
        return this.iterable.collectByte(byteFunction);
    }

    @Override
    public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target)
    {
        return this.iterable.collectByte(byteFunction, target);
    }

    @Override
    public <R extends MutableByteCollection> R flatCollectByte(
            Function<? super T, ? extends ByteIterable> function, R target)
    {
        return this.iterable.flatCollectByte(function, target);
    }

    @Override
    public CharIterable collectChar(CharFunction<? super T> charFunction)
    {
        return this.iterable.collectChar(charFunction);
    }

    @Override
    public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target)
    {
        return this.iterable.collectChar(charFunction, target);
    }

    @Override
    public <R extends MutableCharCollection> R flatCollectChar(
            Function<? super T, ? extends CharIterable> function, R target)
    {
        return this.iterable.flatCollectChar(function, target);
    }

    @Override
    public DoubleIterable collectDouble(DoubleFunction<? super T> doubleFunction)
    {
        return this.iterable.collectDouble(doubleFunction);
    }

    @Override
    public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target)
    {
        return this.iterable.collectDouble(doubleFunction, target);
    }

    @Override
    public <R extends MutableDoubleCollection> R flatCollectDouble(
            Function<? super T, ? extends DoubleIterable> function, R target)
    {
        return this.iterable.flatCollectDouble(function, target);
    }

    @Override
    public FloatIterable collectFloat(FloatFunction<? super T> floatFunction)
    {
        return this.iterable.collectFloat(floatFunction);
    }

    @Override
    public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target)
    {
        return this.iterable.collectFloat(floatFunction, target);
    }

    @Override
    public <R extends MutableFloatCollection> R flatCollectFloat(
            Function<? super T, ? extends FloatIterable> function, R target)
    {
        return this.iterable.flatCollectFloat(function, target);
    }

    @Override
    public IntIterable collectInt(IntFunction<? super T> intFunction)
    {
        return this.iterable.collectInt(intFunction);
    }

    @Override
    public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target)
    {
        return this.iterable.collectInt(intFunction, target);
    }

    @Override
    public <R extends MutableIntCollection> R flatCollectInt(
            Function<? super T, ? extends IntIterable> function, R target)
    {
        return this.iterable.flatCollectInt(function, target);
    }

    @Override
    public LongIterable collectLong(LongFunction<? super T> longFunction)
    {
        return this.iterable.collectLong(longFunction);
    }

    @Override
    public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target)
    {
        return this.iterable.collectLong(longFunction, target);
    }

    @Override
    public <R extends MutableLongCollection> R flatCollectLong(
            Function<? super T, ? extends LongIterable> function, R target)
    {
        return this.iterable.flatCollectLong(function, target);
    }

    @Override
    public ShortIterable collectShort(ShortFunction<? super T> shortFunction)
    {
        return this.iterable.collectShort(shortFunction);
    }

    @Override
    public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target)
    {
        return this.iterable.collectShort(shortFunction, target);
    }

    @Override
    public <R extends MutableShortCollection> R flatCollectShort(
            Function<? super T, ? extends ShortIterable> function, R target)
    {
        return this.iterable.flatCollectShort(function, target);
    }

    @Override
    public <V> RichIterable<V> flatCollect(Function<? super T, ? extends Iterable<V>> function)
    {
        return this.iterable.flatCollect(function);
    }

    @Override
    public <V> RichIterable<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function)
    {
        return this.iterable.collectIf(predicate, function);
    }

    @Override
    public T detect(Predicate<? super T> predicate)
    {
        return this.iterable.detect(predicate);
    }

    @Override
    public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.detectWith(predicate, parameter);
    }

    @Override
    public Optional<T> detectOptional(Predicate<? super T> predicate)
    {
        return this.iterable.detectOptional(predicate);
    }

    @Override
    public <P> Optional<T> detectWithOptional(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.detectWithOptional(predicate, parameter);
    }

    @Override
    public T detectIfNone(Predicate<? super T> predicate, Function0<? extends T> function)
    {
        return this.iterable.detectIfNone(predicate, function);
    }

    @Override
    public <P> T detectWithIfNone(Predicate2<? super T, ? super P> predicate, P parameter, Function0<? extends T> function)
    {
        return this.iterable.detectWithIfNone(predicate, parameter, function);
    }

    @Override
    public T min(Comparator<? super T> comparator)
    {
        return this.iterable.min(comparator);
    }

    @Override
    public T max(Comparator<? super T> comparator)
    {
        return this.iterable.max(comparator);
    }

    @Override
    public T min()
    {
        return this.iterable.min();
    }

    @Override
    public T max()
    {
        return this.iterable.max();
    }

    @Override
    public <V extends Comparable<? super V>> T minBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.minBy(function);
    }

    @Override
    public <V extends Comparable<? super V>> T maxBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.maxBy(function);
    }

    @Override
    public int count(Predicate<? super T> predicate)
    {
        return this.iterable.count(predicate);
    }

    @Override
    public <P> int countWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.countWith(predicate, parameter);
    }

    @Override
    public boolean anySatisfy(Predicate<? super T> predicate)
    {
        return this.iterable.anySatisfy(predicate);
    }

    @Override
    public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.anySatisfyWith(predicate, parameter);
    }

    @Override
    public boolean allSatisfy(Predicate<? super T> predicate)
    {
        return this.iterable.allSatisfy(predicate);
    }

    @Override
    public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.allSatisfyWith(predicate, parameter);
    }

    @Override
    public boolean noneSatisfy(Predicate<? super T> predicate)
    {
        return this.iterable.noneSatisfy(predicate);
    }

    @Override
    public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
    {
        return this.iterable.noneSatisfyWith(predicate, parameter);
    }

    @Override
    public <IV> IV injectInto(IV injectedValue, Function2<? super IV, ? super T, ? extends IV> function)
    {
        return this.iterable.injectInto(injectedValue, function);
    }

    @Override
    public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> function)
    {
        return this.iterable.injectInto(injectedValue, function);
    }

    @Override
    public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> function)
    {
        return this.iterable.injectInto(injectedValue, function);
    }

    @Override
    public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function)
    {
        return this.iterable.injectInto(injectedValue, function);
    }

    @Override
    public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function)
    {
        return this.iterable.injectInto(injectedValue, function);
    }

    @Override
    public long sumOfInt(IntFunction<? super T> function)
    {
        return this.iterable.sumOfInt(function);
    }

    @Override
    public double sumOfFloat(FloatFunction<? super T> function)
    {
        return this.iterable.sumOfFloat(function);
    }

    @Override
    public long sumOfLong(LongFunction<? super T> function)
    {
        return this.iterable.sumOfLong(function);
    }

    @Override
    public double sumOfDouble(DoubleFunction<? super T> function)
    {
        return this.iterable.sumOfDouble(function);
    }

    @Override
    public <V> ObjectLongMap<V> sumByInt(Function<? super T, ? extends V> groupBy, IntFunction<? super T> function)
    {
        return this.iterable.sumByInt(groupBy, function);
    }

    @Override
    public <V> ObjectDoubleMap<V> sumByFloat(Function<? super T, ? extends V> groupBy, FloatFunction<? super T> function)
    {
        return this.iterable.sumByFloat(groupBy, function);
    }

    @Override
    public <V> ObjectLongMap<V> sumByLong(Function<? super T, ? extends V> groupBy, LongFunction<? super T> function)
    {
        return this.iterable.sumByLong(groupBy, function);
    }

    @Override
    public <V> ObjectDoubleMap<V> sumByDouble(Function<? super T, ? extends V> groupBy, DoubleFunction<? super T> function)
    {
        return this.iterable.sumByDouble(groupBy, function);
    }

    @Override
    public <R extends Collection<T>> R into(R target)
    {
        return this.iterable.into(target);
    }

    @Override
    public MutableList<T> toList()
    {
        return this.iterable.toList();
    }

    @Override
    public MutableList<T> toSortedList()
    {
        return this.iterable.toSortedList();
    }

    @Override
    public MutableList<T> toSortedList(Comparator<? super T> comparator)
    {
        return this.iterable.toSortedList(comparator);
    }

    @Override
    public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.toSortedListBy(function);
    }

    @Override
    public MutableSortedSet<T> toSortedSet()
    {
        return this.iterable.toSortedSet();
    }

    @Override
    public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator)
    {
        return this.iterable.toSortedSet(comparator);
    }

    @Override
    public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.toSortedSetBy(function);
    }

    @Override
    public MutableSet<T> toSet()
    {
        return this.iterable.toSet();
    }

    @Override
    public MutableBag<T> toBag()
    {
        return this.iterable.toBag();
    }

    @Override
    public MutableSortedBag<T> toSortedBag()
    {
        return this.iterable.toSortedBag();
    }

    @Override
    public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator)
    {
        return this.iterable.toSortedBag(comparator);
    }

    @Override
    public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.toSortedBagBy(function);
    }

    @Override
    public <NK, NV> MutableMap<NK, NV> toMap(
            Function<? super T, ? extends NK> keyFunction,
            Function<? super T, ? extends NV> valueFunction)
    {
        return this.iterable.toMap(keyFunction, valueFunction);
    }

    @Override
    public <NK, NV, R extends Map<NK, NV>> R toMap(
            Function<? super T, ? extends NK> keyFunction,
            Function<? super T, ? extends NV> valueFunction,
            R target)
    {
        return this.iterable.toMap(keyFunction, valueFunction, target);
    }

    @Override
    public <NK, NV> MutableSortedMap<NK, NV> toSortedMap(
            Function<? super T, ? extends NK> keyFunction,
            Function<? super T, ? extends NV> valueFunction)
    {
        return this.iterable.toSortedMap(keyFunction, valueFunction);
    }

    @Override
    public <NK, NV> MutableSortedMap<NK, NV> toSortedMap(
            Comparator<? super NK> comparator,
            Function<? super T, ? extends NK> keyFunction,
            Function<? super T, ? extends NV> valueFunction)
    {
        return this.iterable.toSortedMap(comparator, keyFunction, valueFunction);
    }

    @Override
    public <KK extends Comparable<? super KK>, NK, NV> MutableSortedMap<NK, NV> toSortedMapBy(
            Function<? super NK, KK> sortBy,
            Function<? super T, ? extends NK> keyFunction,
            Function<? super T, ? extends NV> valueFunction)
    {
        return this.iterable.toSortedMapBy(sortBy, keyFunction, valueFunction);
    }

    @Override
    public <NK, NV> MutableBiMap<NK, NV> toBiMap(Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction)
    {
        return this.iterable.toBiMap(keyFunction, valueFunction);
    }

    @Override
    public LazyIterable<T> asLazy()
    {
        return this.iterable.asLazy();
    }

    @Override
    public Iterator<T> iterator()
    {
        return new UnmodifiableIteratorAdapter<>(this.iterable.iterator());
    }

    @Override
    public String toString()
    {
        return this.iterable.toString();
    }

    @Override
    public String makeString()
    {
        return this.iterable.makeString();
    }

    @Override
    public String makeString(String separator)
    {
        return this.iterable.makeString(separator);
    }

    @Override
    public String makeString(String start, String separator, String end)
    {
        return this.iterable.makeString(start, separator, end);
    }

    @Override
    public void appendString(Appendable appendable)
    {
        this.iterable.appendString(appendable);
    }

    @Override
    public void appendString(Appendable appendable, String separator)
    {
        this.iterable.appendString(appendable, separator);
    }

    @Override
    public void appendString(Appendable appendable, String start, String separator, String end)
    {
        this.iterable.appendString(appendable, start, separator, end);
    }

    @Override
    public <V> Multimap<V, T> groupBy(Function<? super T, ? extends V> function)
    {
        return this.iterable.groupBy(function);
    }

    @Override
    public <V, R extends MutableMultimap<V, T>> R groupBy(
            Function<? super T, ? extends V> function,
            R target)
    {
        return this.iterable.groupBy(function, target);
    }

    @Override
    public <V> Multimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function)
    {
        return this.iterable.groupByEach(function);
    }

    @Override
    public <V, R extends MutableMultimap<V, T>> R groupByEach(
            Function<? super T, ? extends Iterable<V>> function,
            R target)
    {
        return this.iterable.groupByEach(function, target);
    }

    @Override
    public <V> MapIterable<V, T> groupByUniqueKey(Function<? super T, ? extends V> function)
    {
        return this.iterable.groupByUniqueKey(function);
    }

    @Override
    public <V, R extends MutableMapIterable<V, T>> R groupByUniqueKey(
            Function<? super T, ? extends V> function,
            R target)
    {
        return this.iterable.groupByUniqueKey(function, target);
    }

    @Override
    public <S> RichIterable<Pair<T, S>> zip(Iterable<S> that)
    {
        return this.iterable.zip(that);
    }

    @Override
    public <S, R extends Collection<Pair<T, S>>> R zip(Iterable<S> that, R target)
    {
        return this.iterable.zip(that, target);
    }

    @Override
    public RichIterable<Pair<T, Integer>> zipWithIndex()
    {
        return this.iterable.zipWithIndex();
    }

    @Override
    public <R extends Collection<Pair<T, Integer>>> R zipWithIndex(R target)
    {
        return this.iterable.zipWithIndex(target);
    }

    @Override
    public RichIterable<RichIterable<T>> chunk(int size)
    {
        return this.iterable.chunk(size);
    }

    @Override
    public <K, V> MapIterable<K, V> aggregateInPlaceBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Procedure2<? super V, ? super T> mutatingAggregator)
    {
        return this.iterable.aggregateInPlaceBy(groupBy, zeroValueFactory, mutatingAggregator);
    }

    @Override
    public <K, V> MapIterable<K, V> aggregateBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Function2<? super V, ? super T, ? extends V> nonMutatingAggregator)
    {
        return this.iterable.aggregateBy(groupBy, zeroValueFactory, nonMutatingAggregator);
    }
}
/

org.eclipse.collections/ eclipse-collections/ 10.4.0/ org/eclipse/collections/impl/UnmodifiableRichIterable.java
