NS_SWIFT_NAME is recursive

appledocs.m

@interface Sandwich: NSObject
@end
  
NS_SWIFT_NAME(Sandwich.Preferences)
@interface SandwichPreferences: NSObject
@end
  
typedef NS_ENUM(NSInteger, SandwichBreadType) {
} NS_SWIFT_NAME(SandwichPreferences.BreadType);

appledocs.swift

var sandwich: Sandwich?
var preferences: Sandwich.Preferences?
var breadType: Sandwich.Preferences.BreadType?

before.m

@interface SRRecorderControlStyle: NSObject
@end

@interface SRRecorderControlStyleComponents: NSObject
@end

typedef NS_ENUM(NSUInteger, SRRecorderControlStyleComponentsAppearance) {};

expected.swift

var style: RecorderControlStyle?
var components: RecorderControlStyle.Components?
var appearance: RecorderControlStyle.Components.Appearance?

finalattempt.m

NS_SWIFT_NAME(RecorderControlStyle)
@interface SRRecorderControlStyle: NSObject
@end

NS_SWIFT_NAME(SRRecorderControlStyle.Components)
// NS_SWIFT_NAME(RecorderControlStyle.Components) also works!
@interface SRRecorderControlStyleComponents: NSObject
@end

typedef NS_ENUM(NSUInteger, SRRecorderControlStyleComponentsAppearance)
{} NS_SWIFT_NAME(SRRecorderControlStyleComponents.Appearance);

firstattempt.m

NS_SWIFT_NAME(RecorderControlStyle)
@interface SRRecorderControlStyle: NSObject
@end

NS_SWIFT_NAME(RecorderControlStyle.Components)
@interface SRRecorderControlStyleComponents: NSObject
@end

typedef NS_ENUM(NSUInteger, SRRecorderControlStyleComponentsAppearance)
{} NS_SWIFT_NAME(RecorderControlStyle.Components.Appearance);