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diff --git a/Firebase/Database/Snapshot/FChildrenNode.h b/Firebase/Database/Snapshot/FChildrenNode.h
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+++ b/Firebase/Database/Snapshot/FChildrenNode.h
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+/*
+ * Copyright 2017 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FNode.h"
+#import "FTypedefs.h"
+#import "FTypedefs_Private.h"
+#import "FImmutableSortedDictionary.h"
+
+@class FNamedNode;
+
+@interface FChildrenNode : NSObject <FNode>
+
+- (id)initWithChildren:(FImmutableSortedDictionary *)someChildren;
+- (id)initWithPriority:(id<FNode>)aPriority children:(FImmutableSortedDictionary *)someChildren;
+
+// FChildrenNode specific methods
+
+- (void) enumerateChildrenAndPriorityUsingBlock:(void (^)(NSString *, id<FNode>, BOOL *))block;
+
+- (FNamedNode *) firstChild;
+- (FNamedNode *) lastChild;
+
+@property (nonatomic, strong) FImmutableSortedDictionary* children;
+@property (nonatomic, strong) id<FNode> priorityNode;
+
+@end