Group
fun Group(requestId: RequestId, isForum: Boolean? = null, isPublic: Boolean? = null, isOwnedBy: Boolean? = null, userRightsInChat: ChatCommonAdministratorRights? = null, botRightsInChat: ChatCommonAdministratorRights? = null, botIsMember: Boolean? = null, requestTitle: Boolean? = null, requestUsername: Boolean? = null, requestPhoto: Boolean? = null): KeyboardButtonRequestChat