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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>
@interface FImmutableSortedSet : NSObject
+ (FImmutableSortedSet *)setWithKeysFromDictionary:(NSDictionary *)array comparator:(NSComparator)comparator;
- (BOOL)containsObject:(id)object;
- (FImmutableSortedSet *)addObject:(id)object;
- (FImmutableSortedSet *)removeObject:(id)object;
- (id)firstObject;
- (id)lastObject;
- (NSUInteger)count;
- (BOOL)isEmpty;
- (id)predecessorEntry:(id)entry;
- (void)enumerateObjectsUsingBlock:(void (^)(id obj, BOOL *stop))block;
- (void)enumerateObjectsReverse:(BOOL)reverse usingBlock:(void (^)(id obj, BOOL *stop))block;
- (NSEnumerator *)objectEnumerator;
@end
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