diff --git a/src/util.cc b/src/util.cc
index a50f780b736..c5044015c51 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -392,6 +392,25 @@ void SetMethod(v8::Isolate* isolate,
   that->Set(name_string, t);
 }
 
+void SetFastMethod(Isolate* isolate,
+                   Local<Template> that,
+                   const char* name,
+                   v8::FunctionCallback slow_callback,
+                   const v8::CFunction* c_function) {
+  Local<v8::FunctionTemplate> t =
+      NewFunctionTemplate(isolate,
+                          slow_callback,
+                          Local<v8::Signature>(),
+                          v8::ConstructorBehavior::kThrow,
+                          v8::SideEffectType::kHasSideEffect,
+                          c_function);
+  // kInternalized strings are created in the old space.
+  const v8::NewStringType type = v8::NewStringType::kInternalized;
+  Local<v8::String> name_string =
+      v8::String::NewFromUtf8(isolate, name, type).ToLocalChecked();
+  that->Set(name_string, t);
+}
+
 void SetFastMethod(Local<v8::Context> context,
                    Local<v8::Object> that,
                    const char* name,
@@ -434,6 +453,25 @@ void SetFastMethodNoSideEffect(Local<v8::Context> context,
   that->Set(context, name_string, function).Check();
 }
 
+void SetFastMethodNoSideEffect(Isolate* isolate,
+                               Local<Template> that,
+                               const char* name,
+                               v8::FunctionCallback slow_callback,
+                               const v8::CFunction* c_function) {
+  Local<v8::FunctionTemplate> t =
+      NewFunctionTemplate(isolate,
+                          slow_callback,
+                          Local<v8::Signature>(),
+                          v8::ConstructorBehavior::kThrow,
+                          v8::SideEffectType::kHasNoSideEffect,
+                          c_function);
+  // kInternalized strings are created in the old space.
+  const v8::NewStringType type = v8::NewStringType::kInternalized;
+  Local<v8::String> name_string =
+      v8::String::NewFromUtf8(isolate, name, type).ToLocalChecked();
+  that->Set(name_string, t);
+}
+
 void SetMethodNoSideEffect(Local<v8::Context> context,
                            Local<v8::Object> that,
                            const char* name,
@@ -455,6 +493,23 @@ void SetMethodNoSideEffect(Local<v8::Context> context,
   function->SetName(name_string);  // NODE_SET_METHOD() compatibility.
 }
 
+void SetMethodNoSideEffect(Isolate* isolate,
+                           Local<v8::Template> that,
+                           const char* name,
+                           v8::FunctionCallback callback) {
+  Local<v8::FunctionTemplate> t =
+      NewFunctionTemplate(isolate,
+                          callback,
+                          Local<v8::Signature>(),
+                          v8::ConstructorBehavior::kThrow,
+                          v8::SideEffectType::kHasNoSideEffect);
+  // kInternalized strings are created in the old space.
+  const v8::NewStringType type = v8::NewStringType::kInternalized;
+  Local<v8::String> name_string =
+      v8::String::NewFromUtf8(isolate, name, type).ToLocalChecked();
+  that->Set(name_string, t);
+}
+
 void SetProtoMethod(v8::Isolate* isolate,
                     Local<v8::FunctionTemplate> that,
                     const char* name,
diff --git a/src/util.h b/src/util.h
index b0dbed52fa9..d06128e4d5b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -888,11 +888,21 @@ void SetMethod(v8::Isolate* isolate,
                const char* name,
                v8::FunctionCallback callback);
 
+void SetFastMethod(v8::Isolate* isolate,
+                   v8::Local<v8::Template> that,
+                   const char* name,
+                   v8::FunctionCallback slow_callback,
+                   const v8::CFunction* c_function);
 void SetFastMethod(v8::Local<v8::Context> context,
                    v8::Local<v8::Object> that,
                    const char* name,
                    v8::FunctionCallback slow_callback,
                    const v8::CFunction* c_function);
+void SetFastMethodNoSideEffect(v8::Isolate* isolate,
+                               v8::Local<v8::Template> that,
+                               const char* name,
+                               v8::FunctionCallback slow_callback,
+                               const v8::CFunction* c_function);
 void SetFastMethodNoSideEffect(v8::Local<v8::Context> context,
                                v8::Local<v8::Object> that,
                                const char* name,
@@ -918,6 +928,10 @@ void SetProtoMethodNoSideEffect(v8::Isolate* isolate,
                                 v8::Local<v8::FunctionTemplate> that,
                                 const char* name,
                                 v8::FunctionCallback callback);
+void SetMethodNoSideEffect(v8::Isolate* isolate,
+                           v8::Local<v8::Template> that,
+                           const char* name,
+                           v8::FunctionCallback callback);
 
 enum class SetConstructorFunctionFlag {
   NONE,