replay_forks_threads

raw details (from release v2.2.3):

{
  "struct": "ReplayForksThreadsArg",
  "name": "replay_forks_threads",
  "long_name": "replay-forks-threads",
  "help": "Number of threads to use for replay of blocks on different forks",
  "default": 1,
  "max": 4,
  "min": null
}