@class NSMutableDictionary; @interface _NSThreadData : NSObject { id _target; SEL _selector; id _argument; id dict; id name; int seqNum; unsigned char qstate; char qos; unsigned char cancel; _Atomic unsigned char status; id performQ; NSMutableDictionary *performD; struct _opaque_pthread_attr_t { long long __sig; char __opaque[56]; } attr; struct _opaque_pthread_t { long long x0; struct __darwin_pthread_handler_rec *x1; char x2[8176]; } *tid; double pri; double defpri; } - (id)init; @end