1.16.4 client.json launch args

1.16.4-args.json

{
    "game": [
      "--username",
      "${auth_player_name}",
      "--version",
      "${version_name}",
      "--gameDir",
      "${game_directory}",
      "--assetsDir",
      "${assets_root}",
      "--assetIndex",
      "${assets_index_name}",
      "--uuid",
      "${auth_uuid}",
      "--accessToken",
      "${auth_access_token}",
      "--userType",
      "${user_type}",
      "--versionType",
      "${version_type}",
      {
        "rules": [
          {
            "action": "allow",
            "features": {
              "is_demo_user": true
            }
          }
        ],
        "value": "--demo"
      },
      {
        "rules": [
          {
            "action": "allow",
            "features": {
              "has_custom_resolution": true
            }
          }
        ],
        "value": [
          "--width",
          "${resolution_width}",
          "--height",
          "${resolution_height}"
        ]
      }
    ],
    "jvm": [
      {
        "rules": [
          {
            "action": "allow",
            "os": {
              "name": "osx"
            }
          }
        ],
        "value": [
          "-XstartOnFirstThread"
        ]
      },
      {
        "rules": [
          {
            "action": "allow",
            "os": {
              "name": "windows"
            }
          }
        ],
        "value": "-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump"
      },
      {
        "rules": [
          {
            "action": "allow",
            "os": {
              "name": "windows",
              "version": "^10\\."
            }
          }
        ],
        "value": [
          "-Dos.name=Windows 10",
          "-Dos.version=10.0"
        ]
      },
      {
        "rules": [
          {
            "action": "allow",
            "os": {
              "arch": "x86"
            }
          }
        ],
        "value": "-Xss1M"
      },
      "-Djava.library.path=${natives_directory}",
      "-Dminecraft.launcher.brand=${launcher_name}",
      "-Dminecraft.launcher.version=${launcher_version}",
      "-cp",
      "${classpath}"
    ]
  }