@interface CalAttachmentUtils : NSObject + (BOOL)attachmentURL:(id)a0 matchesServerURL:(id)a1; + (id)attachmentContainerWithBaseURL:(id)a0; + (id)_knownTLDForHostname:(id)a0; + (id)_stripSubdomain:(id)a0; + (id)attachmentContainerForSourceIdentifier:(id)a0 calendarDataContainer:(id)a1; + (id)getFileSizeForPath:(id)a0 fileManager:(id)a1 error:(id *)a2; + (id)legacyAttachmentContainerWithBaseURL:(id)a0; + (id)legacyCalendarDataContainer; + (id)localRelativePathForLocalAbsoluteURL:(id)a0 localBaseURL:(id)a1; + (id)localURLForAttachmentWithRelativePath:(id)a0 baseURL:(id)a1; @end