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using System;
using System.Collections.Generic;
namespace XUtliPoolLib
{
public class UniqueString
{
private static Dictionary<string, string> m_strings = new Dictionary<string, string>();
public static string Intern(string str, bool removable = true)
{
bool flag = str == null;
string result;
if (flag)
{
result = null;
}
else
{
string text = UniqueString.IsInterned(str);
bool flag2 = text != null;
if (flag2)
{
result = text;
}
else if (removable)
{
UniqueString.m_strings.Add(str, str);
result = str;
}
else
{
result = string.Intern(str);
}
}
return result;
}
public static string IsInterned(string str)
{
bool flag = str == null;
string result;
if (flag)
{
result = null;
}
else
{
string text = string.IsInterned(str);
bool flag2 = text != null;
if (flag2)
{
result = text;
}
else
{
bool flag3 = UniqueString.m_strings.TryGetValue(str, out text);
if (flag3)
{
result = text;
}
else
{
result = null;
}
}
}
return result;
}
public static void Clear()
{
UniqueString.m_strings.Clear();
}
}
}
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