@class QLCacheBasicFileIdentifier; @interface QLCacheBasicVersionedFileIdentifier : QLCacheVersionedFileIdentifier @property (class, readonly) BOOL supportsSecureCoding; @property (readonly) QLCacheBasicFileIdentifier *fileIdentifier; - (id)initWithFileIdentifier:(id)a0 version:(id)a1; - (id)initWithThumbnailRequest:(id)a0; @end