Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibWeb/CSS/CSSNamespaceRule.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023, Jonah Shafran <jonahshafran@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/CSSRule.h>
+
+namespace Web::CSS {
+
+class CSSNamespaceRule final : public CSSRule {
+    WEB_PLATFORM_OBJECT(CSSNamespaceRule, CSSRule);
+    JS_DECLARE_ALLOCATOR(CSSNamespaceRule);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<CSSNamespaceRule> create(JS::Realm&, Optional<FlyString> prefix, FlyString namespace_uri);
+
+    virtual ~CSSNamespaceRule() = default;
+
+    void set_namespace_uri(FlyString value) { m_namespace_uri = move(value); }
+    FlyString const& namespace_uri() const { return m_namespace_uri; }
+    void set_prefix(FlyString value) { m_prefix = move(value); }
+    FlyString const& prefix() const { return m_prefix; }
+
+private:
+    CSSNamespaceRule(JS::Realm&, Optional<FlyString> prefix, FlyString namespace_uri);
+
+    virtual void initialize(JS::Realm&) override;
+
+    virtual String serialized() const override;
+    FlyString m_namespace_uri;
+    FlyString m_prefix;
+};
+
+}