1 files changed, 29 insertions, 0 deletions
diff --git a/Firestore/third_party/Immutable/FSTLLRBValueNode.h b/Firestore/third_party/Immutable/FSTLLRBValueNode.h
new file mode 100644
index 0000000..4a0873c
--- /dev/null
+++ b/Firestore/third_party/Immutable/FSTLLRBValueNode.h
@@ -0,0 +1,29 @@
+#import <Foundation/Foundation.h>
+
+#import "FSTLLRBNode.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface FSTLLRBValueNode : NSObject <FSTLLRBNode>
+
+- (id)init __attribute__((
+    unavailable("Use initWithKey:withValue:withColor:withLeft:withRight: instead.")));
+
+- (instancetype)initWithKey:(nullable id)key
+                  withValue:(nullable id)value
+                  withColor:(FSTLLRBColor)color
+                   withLeft:(nullable id<FSTLLRBNode>)left
+                  withRight:(nullable id<FSTLLRBNode>)right NS_DESIGNATED_INITIALIZER;
+
+@property(nonatomic, assign, readonly) FSTLLRBColor color;
+@property(nonatomic, strong, readonly, nullable) id key;
+@property(nonatomic, strong, readonly, nullable) id value;
+@property(nonatomic, strong, readonly, nullable) id<FSTLLRBNode> right;
+
+// This property cannot be readonly, because it is set when building the tree.
+// TODO(klimt): Find a way to build the tree without mutating this.
+@property(nonatomic, strong, nullable) id<FSTLLRBNode> left;
+
+@end
+
+NS_ASSUME_NONNULL_END