with Content
inline fun <T : MessageContent> PossiblySentViaBotCommonMessage<*>.withContent(): PossiblySentViaBotCommonMessage<T>?(source)
inline fun <T : MessageContent> ChannelContentMessage<*>.withContent(): ChannelContentMessage<T>?(source)
inline fun <T : MessageContent> PrivateContentMessage<*>.withContent(): PrivateContentMessage<T>?(source)
inline fun <T : MessageContent> BusinessContentMessage<*>.withContent(): BusinessContentMessage<T>?(source)
inline fun <T : MessageContent> PublicContentMessage<*>.withContent(): PublicContentMessage<T>?(source)
inline fun <T : MessageContent> GroupContentMessage<*>.withContent(): GroupContentMessage<T>?(source)
inline fun <T : MessageContent> FromChannelGroupContentMessage<*>.withContent(): FromChannelGroupContentMessage<T>?(source)
inline fun <T : MessageContent> AnonymousGroupContentMessage<*>.withContent(): AnonymousGroupContentMessage<T>?(source)
inline fun <T : MessageContent> CommonGroupContentMessage<*>.withContent(): CommonGroupContentMessage<T>?(source)