[2745] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17226] | 3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2745] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Collections;
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| 24 | using System.Collections.Generic;
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| 25 | using System.ComponentModel;
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[16723] | 26 | using HEAL.Attic;
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[2745] | 27 |
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| 28 | namespace HeuristicLab.Collections {
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[16723] | 29 | [StorableType("DBE0FFE7-BCAD-49C2-9A55-5360EBE0FD86")]
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[2745] | 30 | [Serializable]
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| 31 | public class ReadOnlyObservableArray<T> : IObservableArray<T> {
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[3560] | 32 | [Storable]
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[3390] | 33 | protected IObservableArray<T> array;
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[2745] | 34 |
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| 35 | #region Properties
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| 36 | public int Length {
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| 37 | get { return array.Length; }
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| 38 | }
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| 39 | int ICollection<T>.Count {
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| 40 | get { return array.Count; }
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| 41 | }
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| 42 | bool ICollection<T>.IsReadOnly {
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| 43 | get { return true; }
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| 44 | }
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| 45 |
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| 46 | public T this[int index] {
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| 47 | get { return array[index]; }
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| 48 | }
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| 49 | T IList<T>.this[int index] {
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| 50 | get { return array[index]; }
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| 51 | set { throw new NotSupportedException(); }
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| 52 | }
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| 53 | #endregion
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| 54 |
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| 55 | #region Constructors
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[3019] | 56 | protected ReadOnlyObservableArray() { }
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[2745] | 57 | public ReadOnlyObservableArray(IObservableArray<T> array) {
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| 58 | if (array == null) throw new ArgumentNullException();
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| 59 | this.array = array;
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[3002] | 60 | RegisterEvents();
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| 61 | }
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[3560] | 62 | [StorableConstructor]
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[16723] | 63 | protected ReadOnlyObservableArray(StorableConstructorFlag _) { }
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[4722] | 64 |
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| 65 | [StorableHook(HookType.AfterDeserialization)]
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| 66 | private void AfterDeserialization() {
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| 67 | RegisterEvents();
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| 68 | }
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[2745] | 69 | #endregion
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| 70 |
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| 71 | #region Access
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| 72 | public bool Contains(T item) {
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| 73 | return array.Contains(item);
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| 74 | }
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| 75 |
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| 76 | public int IndexOf(T item) {
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| 77 | return array.IndexOf(item);
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| 78 | }
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| 79 | #endregion
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| 80 |
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| 81 | #region Manipulation
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| 82 | void ICollection<T>.Add(T item) {
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| 83 | throw new NotSupportedException();
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| 84 | }
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| 85 |
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| 86 | void IList<T>.Insert(int index, T item) {
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| 87 | throw new NotSupportedException();
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| 88 | }
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| 89 |
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| 90 | bool ICollection<T>.Remove(T item) {
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| 91 | throw new NotSupportedException();
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| 92 | }
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| 93 | void IList<T>.RemoveAt(int index) {
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| 94 | throw new NotSupportedException();
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| 95 | }
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| 96 |
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| 97 | void ICollection<T>.Clear() {
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| 98 | throw new NotSupportedException();
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| 99 | }
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[5928] | 100 |
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| 101 | void IObservableArray<T>.Reverse() {
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| 102 | throw new NotSupportedException();
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| 103 | }
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| 104 | void IObservableArray<T>.Reverse(int index, int count) {
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| 105 | throw new NotSupportedException();
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| 106 | }
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[2745] | 107 | #endregion
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| 108 |
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| 109 | #region Conversion
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| 110 | public void CopyTo(T[] array, int arrayIndex) {
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| 111 | this.array.CopyTo(array, arrayIndex);
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| 112 | }
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| 113 | #endregion
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| 114 |
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| 115 | #region Enumeration
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| 116 | public IEnumerator<T> GetEnumerator() {
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| 117 | return array.GetEnumerator();
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| 118 | }
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| 119 | IEnumerator IEnumerable.GetEnumerator() {
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| 120 | return array.GetEnumerator();
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| 121 | }
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| 122 | #endregion
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| 123 |
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| 124 | #region Events
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[3019] | 125 | protected void RegisterEvents() {
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| 126 | array.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_ItemsReplaced);
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| 127 | array.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_ItemsMoved);
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| 128 | array.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_CollectionReset);
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| 129 | array.PropertyChanged += new PropertyChangedEventHandler(array_PropertyChanged);
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| 130 | }
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| 131 |
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[2745] | 132 | [field: NonSerialized]
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| 133 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsReplaced;
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| 134 | protected virtual void OnItemsReplaced(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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[3317] | 135 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsReplaced;
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| 136 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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[2745] | 137 | }
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| 138 |
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| 139 | [field: NonSerialized]
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| 140 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsMoved;
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| 141 | protected virtual void OnItemsMoved(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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[3317] | 142 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsMoved;
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| 143 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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[2745] | 144 | }
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| 145 |
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| 146 | [field: NonSerialized]
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| 147 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> CollectionReset;
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| 148 | protected virtual void OnCollectionReset(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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[3317] | 149 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = CollectionReset;
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| 150 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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[2745] | 151 | }
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| 152 |
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| 153 | [field: NonSerialized]
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| 154 | public event PropertyChangedEventHandler PropertyChanged;
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| 155 | protected virtual void OnPropertyChanged(string propertyName) {
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[3317] | 156 | PropertyChangedEventHandler handler = PropertyChanged;
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| 157 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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[2745] | 158 | }
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| 159 |
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| 160 | private void array_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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| 161 | OnItemsReplaced(e.Items, e.OldItems);
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| 162 | }
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| 163 | private void array_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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| 164 | OnItemsMoved(e.Items, e.OldItems);
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| 165 | }
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| 166 | private void array_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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| 167 | OnCollectionReset(e.Items, e.OldItems);
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| 168 | }
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| 169 | private void array_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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| 170 | if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Length"))
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| 171 | OnPropertyChanged(e.PropertyName);
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| 172 | }
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| 173 | #endregion
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| 174 | }
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| 175 | }
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