@interface MFAttachmentCapabilities : NSObject + (BOOL)_isMailDropDevice; + (unsigned long long)_mailDropLimit; + (id)capabilitiesDictionary; + (unsigned long long)currentDownloadLimit; + (unsigned long long)currentMessageLimit; + (unsigned long long)currentPlaceholderThreshold; + (unsigned long long)currentUploadLimit; + (unsigned long long)currentUploadLimitForAccount:(id)a0; + (BOOL)mailDropAvailable; + (BOOL)mailDropAvailableForAccount:(id)a0; + (BOOL)mailDropConfigured; + (double)mailDropExpiration; + (id)mailDropPreferences; + (unsigned long long)mailDropThreshold; + (BOOL)placeholdersAvailable; @end