diff --git a/ValveKeyValue/ValveKeyValue.Test/ApiSurfaceTestCase.cs b/ValveKeyValue/ValveKeyValue.Test/ApiSurfaceTestCase.cs
index 1ccbbe4e..0fa2f964 100644
--- a/ValveKeyValue/ValveKeyValue.Test/ApiSurfaceTestCase.cs
+++ b/ValveKeyValue/ValveKeyValue.Test/ApiSurfaceTestCase.cs
@@ -142,41 +142,55 @@ static bool IsHidingMember(MethodInfo method)
                 return false;
             }
 
-            var baseMethod = baseType.GetMethod(method.Name, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
-            if (baseMethod == null)
-            {
-                return false;
-            }
+            var baseMethods = baseType.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
 
-            if (baseMethod.DeclaringType == method.DeclaringType)
+            foreach (var baseMethod in baseMethods)
             {
-                return false;
-            }
+                if (baseMethod.Name != method.Name)
+                {
+                    continue;
+                }
 
-            var methodDefinition = method.GetBaseDefinition();
-            var baseMethodDefinition = baseMethod.GetBaseDefinition();
+                if (baseMethod.DeclaringType == method.DeclaringType)
+                {
+                    continue;
+                }
 
-            if (methodDefinition.DeclaringType == baseMethodDefinition.DeclaringType)
-            {
-                return false;
-            }
+                var methodDefinition = method.GetBaseDefinition();
+                var baseMethodDefinition = baseMethod.GetBaseDefinition();
 
-            var methodParameters = method.GetParameters();
-            var baseMethodParameters = baseMethod.GetParameters();
-            if (methodParameters.Length != baseMethodParameters.Length)
-            {
-                return false;
-            }
+                if (methodDefinition.DeclaringType == baseMethodDefinition.DeclaringType)
+                {
+                    continue;
+                }
 
-            for (int i = 0; i < methodParameters.Length; i++)
-            {
-                if (methodParameters[i].ParameterType != baseMethodParameters[i].ParameterType)
+                var methodParameters = method.GetParameters();
+                var baseMethodParameters = baseMethod.GetParameters();
+                if (methodParameters.Length != baseMethodParameters.Length)
                 {
-                    return false;
+                    continue;
                 }
+
+                var hasMatchingParameters = true;
+
+                for (int i = 0; i < methodParameters.Length; i++)
+                {
+                    if (methodParameters[i].ParameterType != baseMethodParameters[i].ParameterType)
+                    {
+                        hasMatchingParameters = false;
+                        break;
+                    }
+                }
+
+                if (!hasMatchingParameters)
+                {
+                    continue;
+                }
+
+                return true;
             }
 
-            return true;
+            return false;
         }
 
         static string GetTypeAsString(Type type)
diff --git a/ValveKeyValue/ValveKeyValue.Test/Test Data/apisurface.txt b/ValveKeyValue/ValveKeyValue.Test/Test Data/apisurface.txt
index df664688..3f1f9e08 100644
--- a/ValveKeyValue/ValveKeyValue.Test/Test Data/apisurface.txt	
+++ b/ValveKeyValue/ValveKeyValue.Test/Test Data/apisurface.txt	
@@ -29,6 +29,79 @@ public class ValveKeyValue.KeyValueException
     public string ToString();
 }
 
+public class ValveKeyValue.KVArrayValue
+{
+    public void Add(ValveKeyValue.KVValue value);
+    public void AddRange(System.Collections.Generic.IEnumerable`1[[ValveKeyValue.KVValue]] values);
+    public void Clear();
+    public bool Contains(ValveKeyValue.KVValue item);
+    public void CopyTo(ValveKeyValue.KVValue[] array, int arrayIndex);
+    public bool Equals(object obj);
+    protected void Finalize();
+    public int get_Count();
+    public bool get_IsReadOnly();
+    public ValveKeyValue.KVValue get_Item(int key);
+    public ValveKeyValue.KVValue get_Item(string key);
+    public ValveKeyValue.KVValueType get_ValueType();
+    public System.Collections.Generic.IEnumerator`1[[ValveKeyValue.KVValue]] GetEnumerator();
+    public int GetHashCode();
+    public Type GetType();
+    public TypeCode GetTypeCode();
+    public int IndexOf(ValveKeyValue.KVValue item);
+    public void Insert(int index, ValveKeyValue.KVValue item);
+    protected object MemberwiseClone();
+    public bool Remove(ValveKeyValue.KVValue item);
+    public void RemoveAt(int index);
+    public void set_Item(int key, ValveKeyValue.KVValue value);
+    public bool ToBoolean(IFormatProvider provider);
+    public byte ToByte(IFormatProvider provider);
+    public char ToChar(IFormatProvider provider);
+    public DateTime ToDateTime(IFormatProvider provider);
+    public decimal ToDecimal(IFormatProvider provider);
+    public double ToDouble(IFormatProvider provider);
+    public short ToInt16(IFormatProvider provider);
+    public int ToInt32(IFormatProvider provider);
+    public long ToInt64(IFormatProvider provider);
+    public sbyte ToSByte(IFormatProvider provider);
+    public float ToSingle(IFormatProvider provider);
+    public string ToString();
+    public string ToString(IFormatProvider provider);
+    public object ToType(Type conversionType, IFormatProvider provider);
+    public ushort ToUInt16(IFormatProvider provider);
+    public uint ToUInt32(IFormatProvider provider);
+    public ulong ToUInt64(IFormatProvider provider);
+}
+
+public class ValveKeyValue.KVBinaryBlob
+{
+    public bool Equals(object obj);
+    protected void Finalize();
+    public Memory`1[[byte]] get_Bytes();
+    public ValveKeyValue.KVValue get_Item(string key);
+    public ValveKeyValue.KVValueType get_ValueType();
+    public int GetHashCode();
+    public Type GetType();
+    public TypeCode GetTypeCode();
+    protected object MemberwiseClone();
+    public bool ToBoolean(IFormatProvider provider);
+    public byte ToByte(IFormatProvider provider);
+    public char ToChar(IFormatProvider provider);
+    public DateTime ToDateTime(IFormatProvider provider);
+    public decimal ToDecimal(IFormatProvider provider);
+    public double ToDouble(IFormatProvider provider);
+    public short ToInt16(IFormatProvider provider);
+    public int ToInt32(IFormatProvider provider);
+    public long ToInt64(IFormatProvider provider);
+    public sbyte ToSByte(IFormatProvider provider);
+    public float ToSingle(IFormatProvider provider);
+    public string ToString();
+    public string ToString(IFormatProvider provider);
+    public object ToType(Type conversionType, IFormatProvider provider);
+    public ushort ToUInt16(IFormatProvider provider);
+    public uint ToUInt32(IFormatProvider provider);
+    public ulong ToUInt64(IFormatProvider provider);
+}
+
 public sealed class ValveKeyValue.KVIgnoreAttribute
 {
     public bool Equals(object obj);