@interface Calculate : NSObject + (void)_unlock; + (void)_lock; + (id)evaluate:(id)a0 options:(id)a1; + (id)evaluate:(id)a0 options:(id)a1 resultHandler:(id /* block */)a2; + (void)_resetGlobals; + (id)evaluate:(id)a0 options:(id)a1 needsUpdate:(BOOL *)a2; @end