private void closeSocket() {
        this.socket.socket().close(1000, "Normal");
        this.plugin.getWebEditorStore().sockets().removeSocket(this);
        this.closed = true;
    }
The keepalive tasks checks to see when the last ping from the editor was. If the editor
hasn't sent anything for 1 minute, then close the connection
common/src/main/java/me/lucko/luckperms/common/webeditor/socket/WebEditorSocket.java