1 files changed, 26 insertions, 0 deletions
diff --git a/Firestore/third_party/Immutable/FSTArraySortedDictionaryEnumerator.h b/Firestore/third_party/Immutable/FSTArraySortedDictionaryEnumerator.h
new file mode 100644
index 0000000..36c4f32
--- /dev/null
+++ b/Firestore/third_party/Immutable/FSTArraySortedDictionaryEnumerator.h
@@ -0,0 +1,26 @@
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface FSTArraySortedDictionaryEnumerator <KeyType, ValueType> : NSEnumerator<ValueType>
+
+- (id)init __attribute__((unavailable("Use initWithKeys:startPos:endPos:isReverse: instead.")));
+
+/**
+ * An enumerator for use with a dictionary.
+ *
+ * @param keys The keys to enumerator within.
+ * @param start The index of the initial key to return.
+ * @param end If end is after (or equal to) start (or before, if reverse), then the enumerator will
+ *            stop and not return the value once it reaches end.
+ */
+- (instancetype)initWithKeys:(NSArray<KeyType> *)keys
+                    startPos:(int)start
+                      endPos:(int)end
+                   isReverse:(BOOL)reverse NS_DESIGNATED_INITIALIZER;
+
+- (_Nullable ValueType)nextObject;
+
+@end
+
+NS_ASSUME_NONNULL_END