@class NSString, NSObject; @protocol OS_os_log; @interface ContentItemMarkupGenerator : NSObject @property (class, readonly) NSObject *log; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (BOOL)isDisplayableInlineContentItem:(id)a0; + (id)attachmentElementMarkupStringForContentItem:(id)a0; + (BOOL)isDisplayableImageContentItem:(id)a0; + (BOOL)isPDFContentItem:(id)a0; + (id)markupStringForDisplayForContentItem:(id)a0; @end