github.com/gotd/td/tg.ChannelAdminLogEventActionChangeUsernames.GetPrevValue (method, view implemented interface methods)

one use

	github.com/gotd/td/tg (current package)
		tl_channel_admin_log_event_action_gen.go#L5709: func (c *ChannelAdminLogEventActionChangeUsernames) GetPrevValue() (value []string) {