@interface MDLMemoryMappedData : NSObject { struct __sFILE { char *x0; int x1; int x2; short x3; short x4; struct __sbuf { char *x0; int x1; } x5; int x6; void *x7; void /* function */ *x8; void /* function */ *x9; void /* function */ *x10; void /* function */ *x11; struct __sbuf { char *x0; int x1; } x12; struct __sFILEX *x13; int x14; unsigned char x15[3]; unsigned char x16[1]; struct __sbuf { char *x0; int x1; } x17; int x18; long long x19; } *_file; char *_mappedAddr; char *_fileStart; long long _mappedFileSize; long long _length; } - (void)dealloc; - (id)dataNoCopy; - (id)initWithURL:(id)a0 offset:(unsigned long long)a1 length:(unsigned long long)a2; @end