@class NSMutableDictionary; @interface CNEnvironmentBase : NSObject { NSMutableDictionary *_storage; } + (id)currentEnvironment; + (id)defaultEnvironment; + (id)defaultStack; + (char *)environmentStackKey; + (id)currentEnvironmentForKey:(void *)a0; + (id)effectiveReadingStackForKey:(void *)a0; + (id)effectiveWritingStackForKey:(void *)a0; - (void)becomeCurrent; - (void).cxx_destruct; - (void)resignCurrent; @end