port from perforce

aiwaz/Aiwaz.Resources/Attributes/CreationParameters.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Aiwaz.Resources.Attributes
+{
+    public class CreationParametersAttribute : System.Attribute
+    {
+        public string Description { get; protected set; }
+        public CreationParametersAttribute(string description)
+        {
+            this.Description = description;
+        }
+    }
+}

aiwaz/Aiwaz.Resources/Attributes/ReadOnly.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Aiwaz.Resources.Attributes
+{
+    public class ReadOnlyAttribute : System.Attribute
+    {
+    }
+}

aiwaz/Aiwaz.Resources/Attributes/RequiredParameter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Aiwaz.Resources.Attributes
+{
+    public class RequiredParameterAttribute : System.Attribute
+    {
+    }
+}