diff --git a/Sources/OpenRenderBoxShims/Export.swift b/Sources/OpenRenderBoxShims/Export.swift
deleted file mode 100644
index 92872ac..0000000
--- a/Sources/OpenRenderBoxShims/Export.swift
+++ /dev/null
@@ -1,21 +0,0 @@
-//
-//  Export.swift
-//  OpenRenderBoxShims
-
-#if OPENRENDERBOX_RENDERBOX
-@_exported public import RenderBox
-public typealias ORBColor = RBColor
-public typealias ORBDevice = RBDevice
-public typealias ORBLayer = RBLayer
-public typealias ORBLayerDelegate = RBLayerDelegate
-public typealias ORBDisplayList = RBDisplayList
-public typealias ORBPath = RBPath
-public typealias ORBUUID = RBUUID
-public typealias ORBAnimation = RBAnimation
-public typealias ORBSymbolAnimator = RBSymbolAnimator
-public typealias ORBSymbolAnimatorObserver = RBSymbolAnimatorObserver
-public let renderBoxEnabled = true
-#else
-@_exported import OpenRenderBox
-public let renderBoxEnabled = false
-#endif
diff --git a/Sources/OpenRenderBoxShims/ORBShims.swift b/Sources/OpenRenderBoxShims/ORBShims.swift
new file mode 100644
index 0000000..e443ca8
--- /dev/null
+++ b/Sources/OpenRenderBoxShims/ORBShims.swift
@@ -0,0 +1,44 @@
+//
+//  ORBShims.swift
+//  OpenRenderBoxShims
+
+/// A type that identifies the underlying RenderBox implementation vendor.
+///
+/// Use ``renderBoxVendor`` to check which vendor is active at runtime.
+public struct RenderBoxVendor: RawRepresentable, CaseIterable {
+    public let rawValue: String
+
+    public init(rawValue: String) {
+        self.rawValue = rawValue
+    }
+
+    /// OpenRenderBox — the open source implementation by OpenSwiftUIProject.
+    public static let orb = RenderBoxVendor(rawValue: "org.OpenSwiftUIProject.OpenRenderBox")
+
+    /// Apple's private RenderBox framework.
+    public static let rb = RenderBoxVendor(rawValue: "com.apple.RenderBox")
+
+    public static var allCases: [RenderBoxVendor] { [.orb, .rb] }
+}
+
+#if OPENRENDERBOX_RENDERBOX
+@_exported public import RenderBox
+
+public typealias ORBAnimation = RBAnimation
+public typealias ORBColor = RBColor
+public typealias ORBDevice = RBDevice
+public typealias ORBDisplayList = RBDisplayList
+public typealias ORBLayer = RBLayer
+public typealias ORBLayerDelegate = RBLayerDelegate
+public typealias ORBPath = RBPath
+public typealias ORBPathApplyCallback = RBPathApplyCallback
+public typealias ORBUUID = RBUUID
+public typealias ORBSymbolAnimator = RBSymbolAnimator
+public typealias ORBSymbolAnimatorObserver = RBSymbolAnimatorObserver
+
+public let renderBoxVendor = RenderBoxVendor.rb
+#else
+@_exported import OpenRenderBox
+
+public let renderBoxVendor = RenderBoxVendor.orb
+#endif
diff --git a/Tests/OpenRenderBoxCompatibilityTests/Shims.swift b/Tests/OpenRenderBoxCompatibilityTests/ORBShims.swift
similarity index 77%
rename from Tests/OpenRenderBoxCompatibilityTests/Shims.swift
rename to Tests/OpenRenderBoxCompatibilityTests/ORBShims.swift
index 3ef5e40..43847f8 100644
--- a/Tests/OpenRenderBoxCompatibilityTests/Shims.swift
+++ b/Tests/OpenRenderBoxCompatibilityTests/ORBShims.swift
@@ -1,20 +1,26 @@
 //
-//  Shims.swift
+//  ORBShims.swift
 //  OpenRenderBoxShims
 
 #if OPENRENDERBOX_COMPATIBILITY_TEST
 @_exported public import RenderBox
+
+public typealias ORBAnimation = RBAnimation
 public typealias ORBColor = RBColor
 public typealias ORBDevice = RBDevice
+public typealias ORBDisplayList = RBDisplayList
 public typealias ORBLayer = RBLayer
+public typealias ORBLayerDelegate = RBLayerDelegate
 public typealias ORBPath = RBPath
+public typealias ORBPathApplyCallback = RBPathApplyCallback
 public typealias ORBUUID = RBUUID
-public typealias ORBAnimation = RBAnimation
 public typealias ORBSymbolAnimator = RBSymbolAnimator
 public typealias ORBSymbolAnimatorObserver = RBSymbolAnimatorObserver
+
 public let compatibilityTestEnabled = true
 #else
 @_exported import OpenRenderBox
 @_exported import OpenRenderBoxCxx
+
 public let compatibilityTestEnabled = false
 #endif