src/main/java/org/apache/commons/collections4/bag/UnmodifiableBag.java [111:161]:
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    @Override
    public boolean add(final E object) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean addAll(final Collection<? extends E> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void clear() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean remove(final Object object) {
        throw new UnsupportedOperationException();
    }

    /**
     * @since 4.4
     */
    @Override
    public boolean removeIf(final Predicate<? super E> filter) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean removeAll(final Collection<?> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean retainAll(final Collection<?> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean add(final E object, final int count) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean remove(final Object object, final int count) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Set<E> uniqueSet() {
        final Set<E> set = decorated().uniqueSet();
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src/main/java/org/apache/commons/collections4/bag/UnmodifiableSortedBag.java [108:158]:
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    @Override
    public boolean add(final E object) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean addAll(final Collection<? extends E> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void clear() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean remove(final Object object) {
        throw new UnsupportedOperationException();
    }

    /**
     * @since 4.4
     */
    @Override
    public boolean removeIf(final Predicate<? super E> filter) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean removeAll(final Collection<?> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean retainAll(final Collection<?> coll) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean add(final E object, final int count) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean remove(final Object object, final int count) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Set<E> uniqueSet() {
        final Set<E> set = decorated().uniqueSet();
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