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