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https://github.com/oliverbooth/X10D
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Add DirectoryInfo.Clear (#63)
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### Added
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### Added
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- X10D: Added `MathUtility.InverseLerp(float, float, float)` and `MathUtility.InverseLerp(double, double, double)`
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- X10D: Added `MathUtility.InverseLerp(float, float, float)` and `MathUtility.InverseLerp(double, double, double)`
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- X10D: Added `Circle`, `CircleF`, `Cuboid`, `Ellipse`, `EllipseF`, `Line3D`, `Line`, `LineF`, `Polygon`, `PolygonF`, `Polyhedron`, and `Sphere`, to complement System.Drawing structs such as `Point` and `Rectangle`
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- X10D: Added `Circle`, `CircleF`, `Cuboid`, `Ellipse`, `EllipseF`, `Line3D`, `Line`, `LineF`, `Polygon`, `PolygonF`, `Polyhedron`, and `Sphere`, to complement System.Drawing structs such as `Point` and `Rectangle`
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- X10D: Added `DirectoryInfo.Clear([bool])`
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- X10D: Added `IList<T>.RemoveRange(Range)`
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- X10D: Added `IList<T>.RemoveRange(Range)`
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- X10D: Added `Point.ToSize()`
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- X10D: Added `Point.ToSize()`
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- X10D: Added `Point.ToSizeF()`
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- X10D: Added `Point.ToSizeF()`
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83
X10D.Tests/src/IO/DirectoryInfoTests.cs
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83
X10D.Tests/src/IO/DirectoryInfoTests.cs
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using X10D.IO;
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namespace X10D.Tests.IO;
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[TestClass]
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public class DirectoryInfoTests
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{
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[TestMethod]
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public void Clear_ShouldClear_GivenValidDirectory()
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{
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string tempPath = Path.GetTempPath();
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DirectoryInfo directory;
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do
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{
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string tempDirectory = Path.Combine(tempPath, Guid.NewGuid().ToString());
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directory = new DirectoryInfo(tempDirectory);
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} while (directory.Exists);
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directory.Create();
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Assert.IsTrue(directory.Exists);
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var file = new FileInfo(Path.Combine(directory.FullName, "file"));
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file.Create().Close();
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var childDirectory = new DirectoryInfo(Path.Combine(directory.FullName, "child"));
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childDirectory.Create();
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var childFile = new FileInfo(Path.Combine(childDirectory.FullName, "childFile"));
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childFile.Create().Close();
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Assert.AreEqual(1, directory.GetFiles().Length);
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Assert.AreEqual(1, directory.GetDirectories().Length);
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directory.Clear(false);
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Assert.AreEqual(0, directory.GetFiles().Length);
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Assert.AreEqual(0, directory.GetDirectories().Length);
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Assert.IsTrue(directory.Exists);
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directory.Delete();
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}
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[TestMethod]
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public void Clear_ShouldDoNothing_GivenNonExistentDirectory()
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{
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var directory = new DirectoryInfo(@"/@12#3");
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Assert.IsFalse(directory.Exists);
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directory.Clear();
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}
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[TestMethod]
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public void Clear_ShouldNotThrow_WhenThrowOnErrorIsFalse()
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{
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var directory = new DirectoryInfo(@"/@12#3");
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Assert.IsFalse(directory.Exists);
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directory.Clear();
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directory.Clear(false);
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Assert.IsTrue(true); // if this assertion passes, then the test passed
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}
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[TestMethod]
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public void Clear_ShouldThrowArgumentNullException_GivenNull()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((DirectoryInfo?)null)!.Clear());
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Assert.ThrowsException<ArgumentNullException>(() => ((DirectoryInfo?)null)!.Clear(true));
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}
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[TestMethod]
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public void Clear_ShouldThrowDirectoryNotFoundException_GivenInvalidDirectory()
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{
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var directory = new DirectoryInfo(@"123:/@12#3");
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Assert.ThrowsException<DirectoryNotFoundException>(() => directory.Clear(true));
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}
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[TestMethod]
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public void Clear_ShouldThrowDirectoryNotFoundException_GivenNonExistentDirectory()
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{
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var directory = new DirectoryInfo(@"/@12#3");
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Assert.IsFalse(directory.Exists);
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Assert.ThrowsException<DirectoryNotFoundException>(() => directory.Clear(true));
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}
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}
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107
X10D/src/IO/DirectoryInfoExtensions.cs
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107
X10D/src/IO/DirectoryInfoExtensions.cs
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using System.Security;
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namespace X10D.IO;
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/// <summary>
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/// IO-related extension methods for <see cref="DirectoryInfo" />.
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/// </summary>
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public static class DirectoryInfoExtensions
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{
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/// <summary>
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/// Removes all files and subdirectories in this directory, recursively, without deleting this directory.
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/// </summary>
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/// <param name="directory">The directory to clear.</param>
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public static void Clear(this DirectoryInfo directory)
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{
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directory.Clear(false);
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}
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/// <summary>
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/// Removes all files and subdirectories in this directory, recursively, without deleting this directory.
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/// </summary>
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/// <param name="directory">The directory to clear.</param>
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/// <param name="throwOnError">
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/// <see langword="true" /> to throw any exceptions which were caught during the operation; otherwise,
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/// <see langword="false." />
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/// </param>
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/// <exception cref="DirectoryNotFoundException">
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/// The directory described by this <see cref="DirectoryInfo" /> object does not exist or could not be found. This
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/// exception is not thrown if <paramref name="throwOnError" /> is <see langword="false" />.
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/// </exception>
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/// <exception cref="IOException">
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/// A target file is open or memory-mapped on a computer running Microsoft Windows NT.
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/// -or-
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/// There is an open handle on one of the files, and the operating system is Windows XP or earlier. This open handle can
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/// result from enumerating directories and files.
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/// -or-
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/// The directory is read-only.
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/// -or-
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/// The directory contains one or more files or subdirectories and recursive is false.
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/// -or-
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/// The directory is the application's current working directory.
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/// -or-
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/// There is an open handle on the directory or on one of its files, and the operating system is Windows XP or earlier.
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/// This open handle can result from enumerating directories and files.
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/// This exception is not thrown if <paramref name="throwOnError" /> is <see langword="false" />.
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/// </exception>
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/// <exception cref="SecurityException">
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/// The caller does not have the required permission. This exception is not thrown if <paramref name="throwOnError" /> is
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/// <see langword="false" />.
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/// </exception>
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/// <exception cref="UnauthorizedAccessException">This directory or one of its children contain a read-only file. This
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/// exception is not thrown if <paramref name="throwOnError" /> is <see langword="false" />.
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/// </exception>
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public static void Clear(this DirectoryInfo directory, bool throwOnError)
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{
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#if NET6_0_OR_GREATER
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ArgumentNullException.ThrowIfNull(directory);
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#else
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if (directory is null)
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{
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throw new ArgumentNullException(nameof(directory));
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}
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#endif
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if (!directory.Exists)
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{
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if (throwOnError)
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{
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throw new DirectoryNotFoundException();
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}
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return;
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}
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foreach (FileInfo file in directory.EnumerateFiles())
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{
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try
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{
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file.Delete();
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}
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catch when (throwOnError)
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{
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throw;
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}
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catch
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{
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// do nothing
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}
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}
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foreach (DirectoryInfo childDirectory in directory.EnumerateDirectories())
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{
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try
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{
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childDirectory.Delete(true);
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}
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catch when (throwOnError)
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{
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throw;
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}
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catch
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{
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// do nothing
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}
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}
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}
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}
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