@class NSDictionary, NSString; @interface IMMessagePartSyndicationAssetDescriptor : NSObject @property (class, readonly) BOOL supportsSecureCoding; @property (retain, nonatomic) NSDictionary *assetSyndications; @property (readonly, nonatomic) NSString *serializedString; + (id)descriptorFromSerializedString:(id)a0; - (void)encodeWithCoder:(id)a0; - (id)description; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (void)removeSyndicationAssetsInfoFor:(long long)a0; - (id)initWithAssetSyndications:(id)a0; - (void)replaceSyndicationAssetsInfoWith:(id)a0 asset:(long long)a1; - (id)syndicationForPartIndex:(unsigned long long)a0 asset:(long long)a1; - (void)updateSyndicationAssetWithInfo:(id)a0 asset:(long long)a1; @end