1 files changed, 34 insertions, 0 deletions
diff --git a/Firebase/Database/Core/FSparseSnapshotTree.h b/Firebase/Database/Core/FSparseSnapshotTree.h
new file mode 100644
index 0000000..b860c9d
--- /dev/null
+++ b/Firebase/Database/Core/FSparseSnapshotTree.h
@@ -0,0 +1,34 @@
+/*
+ * 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 "FPath.h"
+#import "FTypedefs_Private.h"
+
+@class FSparseSnapshotTree;
+
+typedef void (^fbt_void_nsstring_sstree) (NSString*, FSparseSnapshotTree*);
+
+@interface FSparseSnapshotTree : NSObject
+
+- (id<FNode>) findPath:(FPath *)path;
+- (void) rememberData:(id<FNode>)data onPath:(FPath *)path;
+- (BOOL) forgetPath:(FPath *)path;
+- (void) forEachTreeAtPath:(FPath *)prefixPath do:(fbt_void_path_node)func;
+- (void) forEachChild:(fbt_void_nsstring_sstree)func;
+
+@end