diff --git a/src/Generator.Tests/AST/TestAST.cs b/src/Generator.Tests/AST/TestAST.cs
index 57b5af5b..9184be8e 100644
--- a/src/Generator.Tests/AST/TestAST.cs
+++ b/src/Generator.Tests/AST/TestAST.cs
@@ -190,6 +190,11 @@ namespace CppSharp.Generator.Tests.AST
             {
                 throw new NotImplementedException();
             }
+
+            public bool VisitFunctionTemplateSpecializationDecl(FunctionTemplateSpecialization specialization)
+            {
+                throw new NotImplementedException();
+            }
         }
         #endregion
 
diff --git a/src/Generator/Generators/CLI/CLITypePrinter.cs b/src/Generator/Generators/CLI/CLITypePrinter.cs
index c93bdcdf..2e34b291 100644
--- a/src/Generator/Generators/CLI/CLITypePrinter.cs
+++ b/src/Generator/Generators/CLI/CLITypePrinter.cs
@@ -474,5 +474,10 @@ namespace CppSharp.Generators.CLI
         {
             throw new NotImplementedException();
         }
+
+        public string VisitFunctionTemplateSpecializationDecl(FunctionTemplateSpecialization specialization)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
index 659b4b7f..e9c5c289 100644
--- a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
+++ b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
@@ -790,6 +790,11 @@ namespace CppSharp.Generators.CSharp
         {
             throw new NotImplementedException();
         }
+
+        public CSharpTypePrinterResult VisitFunctionTemplateSpecializationDecl(FunctionTemplateSpecialization specialization)
+        {
+            throw new NotImplementedException();
+        }
     }
 
     public static class CSharpTypePrinterExtensions
diff --git a/src/Generator/Passes/CheckVirtualOverrideReturnCovariance.cs b/src/Generator/Passes/CheckVirtualOverrideReturnCovariance.cs
index ed901f58..0b9a18ce 100644
--- a/src/Generator/Passes/CheckVirtualOverrideReturnCovariance.cs
+++ b/src/Generator/Passes/CheckVirtualOverrideReturnCovariance.cs
@@ -283,6 +283,11 @@ namespace CppSharp.Passes
             return false;
         }
 
+        public bool VisitFunctionTemplateSpecializationDecl(FunctionTemplateSpecialization specialization)
+        {
+            throw new NotImplementedException();
+        }
+
         #endregion
     }
 
diff --git a/src/Generator/Types/CppTypePrinter.cs b/src/Generator/Types/CppTypePrinter.cs
index a7ec3f60..a3e46b15 100644
--- a/src/Generator/Types/CppTypePrinter.cs
+++ b/src/Generator/Types/CppTypePrinter.cs
@@ -398,5 +398,10 @@ namespace CppSharp.Types
         {
             throw new NotImplementedException();
         }
+
+        public string VisitFunctionTemplateSpecializationDecl(FunctionTemplateSpecialization specialization)
+        {
+            throw new NotImplementedException();
+        }
     }
 }