1 files changed, 44 insertions, 0 deletions
diff --git a/Firestore/Source/Model/FSTDocumentDictionary.h b/Firestore/Source/Model/FSTDocumentDictionary.h
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+++ b/Firestore/Source/Model/FSTDocumentDictionary.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 "FSTImmutableSortedDictionary.h"
+
+@class FSTDocument;
+@class FSTDocumentKey;
+@class FSTMaybeDocument;
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** Convenience type for a map of keys to MaybeDocuments, since they are so common. */
+typedef FSTImmutableSortedDictionary<FSTDocumentKey *, FSTMaybeDocument *>
+    FSTMaybeDocumentDictionary;
+
+/** Convenience type for a map of keys to Documents, since they are so common. */
+typedef FSTImmutableSortedDictionary<FSTDocumentKey *, FSTDocument *> FSTDocumentDictionary;
+
+@interface FSTImmutableSortedDictionary (FSTDocumentDictionary)
+
+/** Returns a new set using the DocumentKeyComparator. */
++ (FSTMaybeDocumentDictionary *)maybeDocumentDictionary;
+
+/** Returns a new set using the DocumentKeyComparator. */
++ (FSTDocumentDictionary *)documentDictionary;
+
+@end
+
+NS_ASSUME_NONNULL_END