/*******************************************************************************
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* You may amend and distribute as you like, but don't remove this header!
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*
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* EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
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* See http://www.codeplex.com/EPPlus for details.
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*
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* Copyright (C) 2011 Jan Källman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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* If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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*
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* All code and executables are provided "as is" with no warranty either express or implied.
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* The author accepts no liability for any damage or loss of business that this product may cause.
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*
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* Code change notes:
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*
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* Author Change Date
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* ******************************************************************************
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* Jan Källman Initial Release 2009-10-01
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* Jan Källman License changed GPL-->LGPL 2011-12-16
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*******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using System.Globalization;
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namespace HH.WMS.Utils.EPPlus.Style.XmlAccess
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{
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/// <summary>
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/// Xml access class for gradient fillsde
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/// </summary>
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public sealed class ExcelGradientFillXml : ExcelFillXml
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{
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internal ExcelGradientFillXml(XmlNamespaceManager nameSpaceManager)
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: base(nameSpaceManager)
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{
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GradientColor1 = new ExcelColorXml(nameSpaceManager);
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GradientColor2 = new ExcelColorXml(nameSpaceManager);
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}
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internal ExcelGradientFillXml(XmlNamespaceManager nsm, XmlNode topNode) :
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base(nsm, topNode)
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{
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Degree = GetXmlNodeDouble(_degreePath);
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Type = GetXmlNodeString(_typePath)=="path" ? ExcelFillGradientType.Path : ExcelFillGradientType.Linear;
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GradientColor1 = new ExcelColorXml(nsm, topNode.SelectSingleNode(_gradientColor1Path, nsm));
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GradientColor2 = new ExcelColorXml(nsm, topNode.SelectSingleNode(_gradientColor2Path, nsm));
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Top = GetXmlNodeDouble(_topPath);
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Bottom = GetXmlNodeDouble(_bottomPath);
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Left = GetXmlNodeDouble(_leftPath);
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Right = GetXmlNodeDouble(_rightPath);
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}
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const string _typePath = "d:gradientFill/@type";
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/// <summary>
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/// Type of gradient fill.
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/// </summary>
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public ExcelFillGradientType Type
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{
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get;
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internal set;
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}
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const string _degreePath = "d:gradientFill/@degree";
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/// <summary>
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/// Angle of the linear gradient
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/// </summary>
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public double Degree
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{
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get;
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internal set;
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}
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const string _gradientColor1Path = "d:gradientFill/d:stop[@position=\"0\"]/d:color";
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/// <summary>
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/// Gradient color 1
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/// </summary>
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public ExcelColorXml GradientColor1
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{
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get;
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private set;
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}
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const string _gradientColor2Path = "d:gradientFill/d:stop[@position=\"1\"]/d:color";
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/// <summary>
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/// Gradient color 2
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/// </summary>
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public ExcelColorXml GradientColor2
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{
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get;
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private set;
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}
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const string _bottomPath = "d:gradientFill/@bottom";
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/// <summary>
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/// Percentage format bottom
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/// </summary>
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public double Bottom
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{
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get;
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internal set;
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}
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const string _topPath = "d:gradientFill/@top";
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/// <summary>
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/// Percentage format top
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/// </summary>
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public double Top
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{
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get;
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internal set;
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}
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const string _leftPath = "d:gradientFill/@left";
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/// <summary>
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/// Percentage format left
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/// </summary>
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public double Left
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{
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get;
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internal set;
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}
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const string _rightPath = "d:gradientFill/@right";
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/// <summary>
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/// Percentage format right
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/// </summary>
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public double Right
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{
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get;
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internal set;
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}
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internal override string Id
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{
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get
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{
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return base.Id + Degree.ToString() + GradientColor1.Id + GradientColor2.Id + Type + Left.ToString() + Right.ToString() + Bottom.ToString() + Top.ToString();
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}
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}
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#region Public Properties
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#endregion
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internal override ExcelFillXml Copy()
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{
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ExcelGradientFillXml newFill = new ExcelGradientFillXml(NameSpaceManager);
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newFill.PatternType = base._fillPatternType;
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newFill.BackgroundColor = _backgroundColor.Copy();
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newFill.PatternColor = _patternColor.Copy();
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newFill.GradientColor1 = GradientColor1.Copy();
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newFill.GradientColor2 = GradientColor2.Copy();
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newFill.Type = Type;
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newFill.Degree = Degree;
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newFill.Top = Top;
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newFill.Bottom = Bottom;
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newFill.Left = Left;
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newFill.Right = Right;
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return newFill;
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}
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internal override XmlNode CreateXmlNode(XmlNode topNode)
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{
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TopNode = topNode;
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CreateNode("d:gradientFill");
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if(Type==ExcelFillGradientType.Path) SetXmlNodeString(_typePath, "path");
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if(!double.IsNaN(Degree)) SetXmlNodeString(_degreePath, Degree.ToString(CultureInfo.InvariantCulture));
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if (GradientColor1!=null)
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{
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/*** Gradient color node 1***/
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var node = TopNode.SelectSingleNode("d:gradientFill", NameSpaceManager);
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var stopNode = node.OwnerDocument.CreateElement("stop", ExcelPackage.schemaMain);
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stopNode.SetAttribute("position", "0");
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node.AppendChild(stopNode);
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var colorNode = node.OwnerDocument.CreateElement("color", ExcelPackage.schemaMain);
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stopNode.AppendChild(colorNode);
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GradientColor1.CreateXmlNode(colorNode);
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/*** Gradient color node 2***/
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stopNode = node.OwnerDocument.CreateElement("stop", ExcelPackage.schemaMain);
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stopNode.SetAttribute("position", "1");
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node.AppendChild(stopNode);
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colorNode = node.OwnerDocument.CreateElement("color", ExcelPackage.schemaMain);
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stopNode.AppendChild(colorNode);
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GradientColor2.CreateXmlNode(colorNode);
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}
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if (!double.IsNaN(Top)) SetXmlNodeString(_topPath, Top.ToString("F5",CultureInfo.InvariantCulture));
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if (!double.IsNaN(Bottom)) SetXmlNodeString(_bottomPath, Bottom.ToString("F5", CultureInfo.InvariantCulture));
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if (!double.IsNaN(Left)) SetXmlNodeString(_leftPath, Left.ToString("F5", CultureInfo.InvariantCulture));
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if (!double.IsNaN(Right)) SetXmlNodeString(_rightPath, Right.ToString("F5", CultureInfo.InvariantCulture));
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return topNode;
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}
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}
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}
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