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diff --git a/Source/JavaScriptCore/runtime/IntlCollator.h b/Source/JavaScriptCore/runtime/IntlCollator.h
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+++ b/Source/JavaScriptCore/runtime/IntlCollator.h
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+/*
+ * Copyright (C) 2015 Andy VanWagoner (thetalecrafter@gmail.com)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(INTL)
+
+#include "JSDestructibleObject.h"
+
+struct UCollator;
+
+namespace JSC {
+
+class IntlCollatorConstructor;
+class JSBoundFunction;
+
+class IntlCollator : public JSDestructibleObject {
+public:
+    typedef JSDestructibleObject Base;
+
+    static IntlCollator* create(VM&, Structure*);
+    static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
+
+    DECLARE_INFO;
+
+    void initializeCollator(ExecState&, JSValue locales, JSValue optionsValue);
+    JSValue compareStrings(ExecState&, StringView, StringView);
+    JSObject* resolvedOptions(ExecState&);
+
+    JSBoundFunction* boundCompare() const { return m_boundCompare.get(); }
+    void setBoundCompare(VM&, JSBoundFunction*);
+
+protected:
+    IntlCollator(VM&, Structure*);
+    void finishCreation(VM&);
+    static void destroy(JSCell*);
+    static void visitChildren(JSCell*, SlotVisitor&);
+
+private:
+    enum class Usage { Sort, Search };
+    enum class Sensitivity { Base, Accent, Case, Variant };
+
+    struct UCollatorDeleter {
+        void operator()(UCollator*) const;
+    };
+
+    void createCollator(ExecState&);
+    static const char* usageString(Usage);
+    static const char* sensitivityString(Sensitivity);
+
+    Usage m_usage;
+    String m_locale;
+    String m_collation;
+    Sensitivity m_sensitivity;
+    WriteBarrier<JSBoundFunction> m_boundCompare;
+    std::unique_ptr<UCollator, UCollatorDeleter> m_collator;
+    bool m_numeric;
+    bool m_ignorePunctuation;
+    bool m_initializedCollator { false };
+};
+
+} // namespace JSC
+
+#endif // ENABLE(INTL)