There are no colons (':') after "PS Young Generation", "PS Old Generation" and "PS Perm Generation", although they are there for all spaces and for similiar spaces for other collectors.

using thread-local object allocation.
Parallel GC with 2 thread(s)

Heap Configuration:
   MinHeapFreeRatio = 40
   MaxHeapFreeRatio = 70
   MaxHeapSize = 266338304 (254.0MB)
   NewSize = 1048576 (1.0MB)
   MaxNewSize = 4294901760 (4095.9375MB)
   OldSize = 4194304 (4.0MB)
   NewRatio = 12
   SurvivorRatio = 8
   PermSize = 12582912 (12.0MB)
   MaxPermSize = 67108864 (64.0MB)

Heap Usage:
PS Young Generation
Eden Space:
   capacity = 3145728 (3.0MB)
...
PS Old Generation
   capacity = 15335424 (14.625MB)
   used = 0 (0.0MB)
   free = 15335424 (14.625MB)
   0.0% used
PS Perm Generation
   capacity = 12582912 (12.0MB)
   used = 1839472 (1.7542572021484375MB)
   free = 10743440 (10.245742797851562MB)
   14.618810017903646% used