1 files changed, 22 insertions, 0 deletions
diff --git a/Firebase/Database/third_party/FImmutableSortedDictionary/FImmutableSortedDictionary/FImmutableSortedSet.h b/Firebase/Database/third_party/FImmutableSortedDictionary/FImmutableSortedDictionary/FImmutableSortedSet.h
new file mode 100644
index 0000000..ac15c2f
--- /dev/null
+++ b/Firebase/Database/third_party/FImmutableSortedDictionary/FImmutableSortedDictionary/FImmutableSortedSet.h
@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+
+@interface FImmutableSortedSet : NSObject
+
++ (FImmutableSortedSet *)setWithKeysFromDictionary:(NSDictionary *)array comparator:(NSComparator)comparator;
+
+- (BOOL)containsObject:(id)object;
+- (FImmutableSortedSet *)addObject:(id)object;
+- (FImmutableSortedSet *)removeObject:(id)object;
+- (id)firstObject;
+- (id)lastObject;
+- (NSUInteger)count;
+- (BOOL)isEmpty;
+
+- (id)predecessorEntry:(id)entry;
+
+- (void)enumerateObjectsUsingBlock:(void (^)(id obj, BOOL *stop))block;
+- (void)enumerateObjectsReverse:(BOOL)reverse usingBlock:(void (^)(id obj, BOOL *stop))block;
+
+- (NSEnumerator *)objectEnumerator;
+
+@end