The UUID of the instance to use for proxy checking. The instance provides configuration such as the target Minecraft server address (configured via ProxySettings.PROXY_CHECK_ADDRESS, defaults to "mc.hypixel.net"), the protocol version, and concurrency settings. The user must have CHECK_PROXY permission on this instance.
List of proxies to check. Each proxy will be tested by attempting to establish a connection to the configured Minecraft server through it. Proxies are checked concurrently based on the instance's PROXY_CHECK_CONCURRENCY setting (defaults to 10 concurrent checks).
Request message for checking the validity of one or more proxies. The check is performed by attempting to connect to a Minecraft server through each proxy and measuring the connection latency.