@interface _DKApplicationMetadataKey : NSObject + (id)extensionContainingBundleIdentifier; + (id)extensionHostIdentifier; + (id)launchReason; + (id)shortVersionString; + (id)isNativeArchitecture; + (id)exactBundleVersion; + (id)dyldPlatform; + (id)processIdentifier; + (id)backboardState; @end