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+//
+// SUStandardVersionComparator.h
+// Sparkle
+//
+// Created by Andy Matuschak on 12/21/07.
+// Copyright 2007 Andy Matuschak. All rights reserved.
+//
+
+#ifndef SUSTANDARDVERSIONCOMPARATOR_H
+#define SUSTANDARDVERSIONCOMPARATOR_H
+
+#if __has_feature(modules)
+@import Foundation;
+#else
+#import <Foundation/Foundation.h>
+#endif
+#import "SUExport.h"
+#import "SUVersionComparisonProtocol.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/*!
+ Sparkle's default version comparator.
+
+ This comparator is adapted from MacPAD, by Kevin Ballard.
+ It's "dumb" in that it does essentially string comparison,
+ in components split by character type.
+*/
+SU_EXPORT @interface SUStandardVersionComparator : NSObject <SUVersionComparison>
+
+/*!
+ Initializes a new instance of the standard version comparator.
+ */
+- (instancetype)init;
+
+/*!
+ Returns a singleton instance of the comparator.
+
+ It is usually preferred to alloc/init new a comparator instead.
+*/
++ (SUStandardVersionComparator *)defaultComparator;
+
+/*!
+ Compares version strings through textual analysis.
+
+ See the implementation for more details.
+*/
+- (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB;
+@end
+
+NS_ASSUME_NONNULL_END
+#endif