declare class ApplicationCommandOptionChannelTypesMixinThis mixin holds channel type symbols used for options.
readonlyoptionalchannel_types? : ApplicationCommandOptionAllowedChannelTypes[] 
The channel types of this option.
 addChannelTypes(...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelTypes>) : this
...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelTypes>
Adds channel types to this option.