--- /dev/null
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2015 Realm Inc.
+//
+// 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 <Realm/RLMRealmConfiguration.h>
+
+@class RLMSchema;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RLMRealmConfiguration ()
+
+@property (nonatomic, readwrite) bool cache;
+@property (nonatomic, readwrite) bool dynamic;
+@property (nonatomic, readwrite) bool disableFormatUpgrade;
+@property (nonatomic, copy, nullable) RLMSchema *customSchema;
+@property (nonatomic, copy) NSString *pathOnDisk;
+
+// Get the default confiugration without copying it
++ (RLMRealmConfiguration *)rawDefaultConfiguration;
+
++ (void)resetRealmConfigurationState;
+
+- (void)setCustomSchemaWithoutCopying:(nullable RLMSchema *)schema;
+@end
+
+// Get a path in the platform-appropriate documents directory with the given filename
+FOUNDATION_EXTERN NSString *RLMRealmPathForFile(NSString *fileName);
+FOUNDATION_EXTERN NSString *RLMRealmPathForFileAndBundleIdentifier(NSString *fileName, NSString *mainBundleIdentifier);
+
+NS_ASSUME_NONNULL_END