firebase-ios-sdk/Firestore/Source/Public/FirebaseFirestore/FIRMaxKey.h

/*
 * Copyright 2025 Google LLC
 *
 * 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>

NS_ASSUME_NONNULL_BEGIN

/**
 * Represents a "Max Key" type in Firestore documents.
 */
NS_SWIFT_SENDABLE
NS_SWIFT_NAME(MaxKey)
__attribute__((objc_subclassing_restricted))
@interface FIRMaxKey : NSObject

/** The shared singleton `MaxKey` instance. */
@property(class, readonly) FIRMaxKey *shared;

/** Returns true if the given object is equal to this, and false otherwise. */
- (BOOL)isEqual:(nullable id)object;

- (instancetype)init NS_UNAVAILABLE;

@end

NS_ASSUME_NONNULL_END