@interface MPSVectorDescriptor : NSObject @property (nonatomic) unsigned long long length; @property (readonly, nonatomic) unsigned long long vectors; @property (nonatomic) unsigned int dataType; @property (readonly, nonatomic) unsigned long long vectorBytes; + (id)vectorDescriptorWithLength:(unsigned long long)a0 dataType:(unsigned int)a1; + (id)vectorDescriptorWithLength:(unsigned long long)a0 vectors:(unsigned long long)a1 vectorBytes:(unsigned long long)a2 dataType:(unsigned int)a3; + (unsigned long long)vectorBytesForLength:(unsigned long long)a0 dataType:(unsigned int)a1; - (id)init; @end