0x06000003 <SumAsync>d__0.MoveNext
  + decompiler only: (7,2)-(7,3)
  - compiler only: hidden at method start
  - compiler only: hidden at method start
  + decompiler only: hidden after (9,3)-(9,19)
  - compiler only: (12,2)-(12,3)
  - compiler only: hidden after (12,2)-(12,3)