github.com/gotd/td/tg.ChannelAdminLogEventActionChangeUsernameArray.First (method)

one use

	github.com/gotd/td/tg (current package)
		tl_channel_admin_log_event_action_slices_gen.go#L902: func (s ChannelAdminLogEventActionChangeUsernameArray) First() (v ChannelAdminLogEventActionChangeUsername, ok bool) {