How do I flag a method as deprecated in Objective-C 2.0?

Syntax is provided to mark methods as deprecated:

@interface SomeClass
-method __attribute__((deprecated));
@end

or:

#include <AvailabilityMacros.h>
@interface SomeClass
-method DEPRECATED_ATTRIBUTE;  // or some other deployment-target-specific macro
@end

IMHO, it's easier to write __deprecated:

- (void)myDeprecatedMethod __deprecated;
- (int)methodNameDeprecated:(int)param __deprecated;

Works too on classes

__deprecated
@interface MyDeprecatedClass

  // ... some properties and methods ...

@end

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