src/power/battery-manager/meta/battery_manager.cmx

{
  "include": [
      "sdk/lib/diagnostics/syslog/client.shard.cmx"
  ],
  "program": {
      "binary": "bin/battery_manager"
  },
  "sandbox": {
      "dev": [
          "class/power"
      ],
      "services": [
          "fuchsia.hardware.power.Source"
      ]
  }
}