Ciprian Khlud
12 years ago
5 changed files with 3 additions and 230 deletions
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//
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// RemoveField.cs
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//
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// Author:
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// Ciprian Khlud <ciprian.mustiata@yahoo.com>
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//
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// Copyright (c) 2013 Ciprian Khlud
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System; |
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using ICSharpCode.NRefactory.CSharp.Refactoring; |
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using System.Collections.Generic; |
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using ICSharpCode.NRefactory.CSharp.Resolver; |
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using ICSharpCode.NRefactory.Semantics; |
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namespace ICSharpCode.NRefactory.CSharp |
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{ |
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[ContextAction("Removes a field from a class", Description = "It removes also the empty assingments and the usages")] |
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public class RemoveFieldRefactoryAction : ICodeActionProvider |
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{ |
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public IEnumerable<CodeAction> GetActions(RefactoringContext context) |
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{ |
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var fieldDeclaration = GetFieldDeclaration(context); |
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if(fieldDeclaration==null) |
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yield break; |
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yield return new CodeAction(string.Format(context.TranslateString("Remove field '{0}'"), fieldDeclaration.Name) |
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, script => GenerateNewScript( |
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script, fieldDeclaration, context), fieldDeclaration); |
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} |
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void GenerateNewScript(Script script, FieldDeclaration fieldDeclaration, RefactoringContext context) |
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{ |
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var firstOrNullObject = fieldDeclaration.Variables.FirstOrNullObject(); |
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if(firstOrNullObject==null) |
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return; |
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var matchedNodes = ComputeMatchNodes(context, firstOrNullObject); |
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foreach (var matchNode in matchedNodes) |
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{ |
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var parent = matchNode.Parent; |
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if (matchNode is VariableInitializer) |
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{ |
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script.Remove(parent); |
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} |
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else |
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if (matchNode is IdentifierExpression) |
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{ |
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if(parent is AssignmentExpression) |
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{ |
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script.Remove(parent.Parent); |
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} |
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else |
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{ |
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var clone = (IdentifierExpression)matchNode.Clone(); |
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clone.Identifier = "TODO"; |
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script.Replace(matchNode, clone); |
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} |
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} |
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} |
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} |
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private static List<AstNode> ComputeMatchNodes(RefactoringContext context, VariableInitializer firstOrNullObject) |
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{ |
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var referenceFinder = new FindReferences(); |
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var matchedNodes = new List<AstNode>(); |
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var resolveResult = context.Resolver.Resolve(firstOrNullObject); |
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var member = resolveResult as MemberResolveResult; |
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if (member == null)//not a member is unexpected case, so is better to return no match than to break the code
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return matchedNodes; |
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FoundReferenceCallback callback = (matchNode, result) => matchedNodes.Add(matchNode); |
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var searchScopes = referenceFinder.GetSearchScopes(member.Member); |
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referenceFinder.FindReferencesInFile(searchScopes, |
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context.UnresolvedFile, |
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context.RootNode as SyntaxTree, |
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context.Compilation, callback, |
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context.CancellationToken); |
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return matchedNodes; |
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} |
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FieldDeclaration GetFieldDeclaration(RefactoringContext context) |
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{ |
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var result = context.GetNode<FieldDeclaration>(); |
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return result; |
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} |
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} |
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} |
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@ -1,96 +0,0 @@ |
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//
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// RemoveFieldRefactoryActionTests.cs
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//
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// Author:
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// Ciprian Khlud <ciprian.mustiata@yahoo.com>
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//
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// Copyright (c) 2013 Ciprian Khlud
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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// copies of the Software, and to permit persons to whom the Software is
|
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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// THE SOFTWARE.
|
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using NUnit.Framework; |
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namespace ICSharpCode.NRefactory.CSharp.CodeActions |
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{ |
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[TestFixture] |
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public class RemoveFieldRefactoryActionTests : ContextActionTestBase |
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{ |
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[Test] |
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public void RemoveOneField() |
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{ |
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Test<RemoveFieldRefactoryAction>( |
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@"
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class A { |
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int $field; |
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} |
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",
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@"
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class A { |
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} |
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"
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);} |
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[Test] |
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public void RemoveOneFieldAndAssignmentValue() |
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{ |
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Test<RemoveFieldRefactoryAction>( |
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@"
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class A { |
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int $field; |
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A() { |
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field = 3; |
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} |
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} |
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",
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@"
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class A { |
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A() { |
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} |
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} |
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"
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); |
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} |
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[Test] |
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public void RemoveOneFieldAndAssignmentValueAndMethodCall() |
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{ |
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Test<RemoveFieldRefactoryAction>( |
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@"
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class A { |
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int $field; |
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A() { |
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field = 3; |
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if(field!=0) |
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Method(field); |
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} |
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} |
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",
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@"
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class A { |
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A() { |
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if(TODO!=0) |
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Method(TODO); |
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} |
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} |
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"
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); |
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} |
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} |
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} |
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