[14897] | 1 | namespace HeuristicLab.Problems.ProgramSynthesis.Base.Erc.String {
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| 2 | using System.Collections.Generic;
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| 3 |
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| 4 | using HeuristicLab.Common;
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| 5 | using HeuristicLab.Core;
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| 6 | using HeuristicLab.Data;
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| 7 | using HeuristicLab.Parameters;
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| 8 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 9 | using HeuristicLab.Problems.ProgramSynthesis.Push.Generators;
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| 10 |
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| 11 | [StorableClass]
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| 12 | public class StringRandomErcValue : WeightedErcValueItem<string> {
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| 13 | private readonly List<string> generatedValues = new List<string>();
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| 14 |
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| 15 | public const int DefaultStringLength = 10;
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| 16 |
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| 17 | private const string AllowLowercaseLettersParameterName = "Allow lowercase letters";
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| 18 | private const string AllowUppercaseLettersParameterName = "Allow uppercase letters";
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| 19 | private const string AllowSpaceParameterName = "Allow space";
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| 20 | private const string SpaceProbabilityParameterName = "Space probability";
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| 21 | private const string StringLengthParameterName = "String length";
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| 22 | private const string AllowDigitsParameterName = "Allow digits";
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| 23 | private const string AllowSymbolsParameterName = "Allow symbols";
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| 24 | private const string VowelProbabilityParameterName = "Vowel probability";
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| 25 |
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| 26 | private const string NewStringProbabilityParameterName = "New string probability";
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| 27 | private const string NewStringProbabilityParameterDescription = "The probability that the selection of the ephemeral random string constant for inclusion in randomly generated code will produce a new string (rather than a string that was previously generated).";
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| 28 |
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[14909] | 29 | public StringRandomErcValue() : this(false, 1d) { }
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[14905] | 30 |
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| 31 | public StringRandomErcValue(bool isEnabled, double weight = 1d) : base(isEnabled, weight) {
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[14898] | 32 | Name = "String random";
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[14897] | 33 | Parameters.Add(new FixedValueParameter<BoolValue>(AllowLowercaseLettersParameterName, new BoolValue(true)));
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| 34 | Parameters.Add(new FixedValueParameter<BoolValue>(AllowUppercaseLettersParameterName, new BoolValue(true)));
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| 35 | Parameters.Add(new FixedValueParameter<BoolValue>(AllowDigitsParameterName, new BoolValue(true)));
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| 36 | Parameters.Add(new FixedValueParameter<BoolValue>(AllowSymbolsParameterName, new BoolValue(true)));
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| 37 | Parameters.Add(new FixedValueParameter<BoolValue>(AllowSpaceParameterName, new BoolValue(false)));
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| 38 | Parameters.Add(new FixedValueParameter<IntValue>(StringLengthParameterName, new IntValue(DefaultStringLength)));
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| 39 | Parameters.Add(new FixedValueParameter<PercentValue>(SpaceProbabilityParameterName));
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| 40 | Parameters.Add(new FixedValueParameter<PercentValue>(VowelProbabilityParameterName));
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| 41 | Parameters.Add(new FixedValueParameter<PercentValue>(NewStringProbabilityParameterName, NewStringProbabilityParameterDescription));
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| 42 | }
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| 43 |
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| 44 | [StorableConstructor]
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| 45 | public StringRandomErcValue(bool deserializing) : base(deserializing) { }
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| 46 |
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| 47 | public StringRandomErcValue(StringRandomErcValue origin, Cloner cloner) : base(origin, cloner) {
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| 48 | }
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| 49 |
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| 50 | public override string GetErcValue(IRandom random) {
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| 51 | if (random.NextDouble().IsAlmost(NewStringProbability) || generatedValues.Count == 0) {
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| 52 | var value = StringGenerator.RandomString(
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| 53 | AllowLowercaseLetters,
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| 54 | AllowUppercaseLetters,
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| 55 | AllowSpace,
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| 56 | SpaceProbability,
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| 57 | StringLength,
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| 58 | random);
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| 59 |
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| 60 | generatedValues.Add(value);
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| 61 | return value;
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| 62 | }
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| 63 |
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| 64 | var idx = random.Next(generatedValues.Count);
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| 65 | return generatedValues[idx];
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| 66 | }
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| 67 |
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| 68 | public override IDeepCloneable Clone(Cloner cloner) {
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| 69 | return new StringRandomErcValue(this, cloner);
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| 70 | }
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| 71 |
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| 72 | public IValueParameter<BoolValue> AllowLowercaseLettersParameter
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| 73 | {
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| 74 | get { return (IValueParameter<BoolValue>)Parameters[AllowLowercaseLettersParameterName]; }
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| 75 | }
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| 76 |
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| 77 | public bool AllowLowercaseLetters
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| 78 | {
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| 79 | get { return AllowLowercaseLettersParameter.Value.Value; }
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| 80 | set { AllowLowercaseLettersParameter.Value.Value = value; }
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| 81 | }
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| 82 |
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| 83 | public IValueParameter<BoolValue> AllowUppercaseLettersParameter
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| 84 | {
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| 85 | get { return (IValueParameter<BoolValue>)Parameters[AllowUppercaseLettersParameterName]; }
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| 86 | }
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| 87 |
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| 88 | public bool AllowUppercaseLetters
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| 89 | {
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| 90 | get { return AllowUppercaseLettersParameter.Value.Value; }
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| 91 | set { AllowUppercaseLettersParameter.Value.Value = value; }
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| 92 | }
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| 93 |
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| 94 | public IValueParameter<BoolValue> AllowDigitsParameter
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| 95 | {
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| 96 | get { return (IValueParameter<BoolValue>)Parameters[AllowDigitsParameterName]; }
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| 97 | }
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| 98 |
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| 99 | public bool AllowDigits
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| 100 | {
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| 101 | get { return AllowDigitsParameter.Value.Value; }
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| 102 | set { AllowDigitsParameter.Value.Value = value; }
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| 103 | }
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| 104 |
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| 105 | public IValueParameter<BoolValue> AllowSymbolsParameter
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| 106 | {
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| 107 | get { return (IValueParameter<BoolValue>)Parameters[AllowSymbolsParameterName]; }
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| 108 | }
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| 109 |
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| 110 | public bool AllowSymbols
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| 111 | {
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| 112 | get { return AllowSymbolsParameter.Value.Value; }
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| 113 | set { AllowSymbolsParameter.Value.Value = value; }
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| 114 | }
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| 115 |
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| 116 | public IValueParameter<BoolValue> AllowSpaceParameter
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| 117 | {
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| 118 | get { return (IValueParameter<BoolValue>)Parameters[AllowSpaceParameterName]; }
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| 119 | }
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| 120 |
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| 121 | public bool AllowSpace
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| 122 | {
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| 123 | get { return AllowSpaceParameter.Value.Value; }
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| 124 | set { AllowSpaceParameter.Value.Value = value; }
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| 125 | }
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| 126 |
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| 127 | public IValueParameter<PercentValue> SpaceProbabilityParameter
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| 128 | {
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| 129 | get { return (IValueParameter<PercentValue>)Parameters[SpaceProbabilityParameterName]; }
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| 130 | }
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| 131 |
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| 132 | public double SpaceProbability
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| 133 | {
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| 134 | get { return SpaceProbabilityParameter.Value.Value; }
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| 135 | set { SpaceProbabilityParameter.Value.Value = value; }
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| 136 | }
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| 137 |
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| 138 | public IValueParameter<PercentValue> VowelProbabilityParameter
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| 139 | {
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| 140 | get { return (IValueParameter<PercentValue>)Parameters[VowelProbabilityParameterName]; }
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| 141 | }
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| 142 |
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| 143 | public double VowelProbability
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| 144 | {
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| 145 | get { return VowelProbabilityParameter.Value.Value; }
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| 146 | set { VowelProbabilityParameter.Value.Value = value; }
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| 147 | }
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| 148 |
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| 149 | public IValueParameter<IntValue> StringLengthParameter
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| 150 | {
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| 151 | get { return (IValueParameter<IntValue>)Parameters[StringLengthParameterName]; }
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| 152 | }
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| 153 |
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| 154 | public IValueParameter<PercentValue> NewStringProbabilityParameter
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| 155 | {
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| 156 | get { return (IValueParameter<PercentValue>)Parameters[NewStringProbabilityParameterName]; }
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| 157 | }
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| 158 |
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| 159 | public double NewStringProbability
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| 160 | {
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| 161 | get { return NewStringProbabilityParameter.Value.Value; }
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| 162 | set { NewStringProbabilityParameter.Value.Value = value; }
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| 163 | }
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| 164 |
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| 165 | public int StringLength
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| 166 | {
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| 167 | get { return StringLengthParameter.Value.Value; }
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| 168 | set { StringLengthParameter.Value.Value = value; }
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| 169 | }
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| 170 | }
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| 171 | }
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