{
  "faucet": {
    "tap": {
      "source": "-"
    }
  },
  "regulator": {
    "reg": {
      "min_buffered": 10,
      "max_buffered": 1000,
      "monitored_buffers": ["missing"]
    }
  },
  "drain": { "hole": { "output": "-" } },
  "launch": {
    "maths": { "cmd": "gawk", "arg": [ "{ cmd = \"echo \"$0\" | bc\" ; cmd | getline res ; close(cmd); print INPUT\": \"$0\": \"res; fflush() }"] },
    "decorate": { "cmd": "cat" },
    "quality_control": { "cmd": "gawk", "arg": [ "BEGIN { FS=\":\" }{ if ($3 < 88) print \"TOO_COLD:\"$2\":\"$3; else if ($3 > 93) print \"TOO_HOT:\"$2\":\"$3; else print \"JUST_RIGHT:\"$2\":\"$3; fflush() }" ] }
  },
  "connection": {
    "main": "f:tap | r:reg | l:maths | l:quality_control | l:prettify | l:present | d:hole"
  }
}