Add support for Telegram topics (telegram) (#1942)

Topics are surfaced by appending /<topic-id> to the channel setting for the gateway. 
An example for the topic with ID of 16 would be:

```
[[gateway.inout]]
account="telegram.mytelegram"
channel="-100xxxxxxxxxx/16"
```

1 files changed, 2934 insertions, 0 deletions

diff --git a/vendor/github.com/matterbridge/telegram-bot-api/v6/configs.go b/vendor/github.com/matterbridge/telegram-bot-api/v6/configs.go
new file mode 100644
index 00000000..09c9c468
--- /dev/null
+++ b/vendor/github.com/matterbridge/telegram-bot-api/v6/configs.go
@@ -0,0 +1,2934 @@
+package tgbotapi
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/url"
+	"os"
+	"strconv"
+)
+
+// Telegram constants
+const (
+	// APIEndpoint is the endpoint for all API methods,
+	// with formatting for Sprintf.
+	APIEndpoint = "https://api.telegram.org/bot%s/%s"
+	// FileEndpoint is the endpoint for downloading a file from Telegram.
+	FileEndpoint = "https://api.telegram.org/file/bot%s/%s"
+)
+
+// Constant values for ChatActions
+const (
+	ChatTyping          = "typing"
+	ChatUploadPhoto     = "upload_photo"
+	ChatRecordVideo     = "record_video"
+	ChatUploadVideo     = "upload_video"
+	ChatRecordVoice     = "record_voice"
+	ChatUploadVoice     = "upload_voice"
+	ChatUploadDocument  = "upload_document"
+	ChatChooseSticker   = "choose_sticker"
+	ChatFindLocation    = "find_location"
+	ChatRecordVideoNote = "record_video_note"
+	ChatUploadVideoNote = "upload_video_note"
+)
+
+// API errors
+const (
+	// ErrAPIForbidden happens when a token is bad
+	ErrAPIForbidden = "forbidden"
+)
+
+// Constant values for ParseMode in MessageConfig
+const (
+	ModeMarkdown   = "Markdown"
+	ModeMarkdownV2 = "MarkdownV2"
+	ModeHTML       = "HTML"
+)
+
+// Constant values for update types
+const (
+	// UpdateTypeMessage is new incoming message of any kind — text, photo, sticker, etc.
+	UpdateTypeMessage = "message"
+
+	// UpdateTypeEditedMessage is new version of a message that is known to the bot and was edited
+	UpdateTypeEditedMessage = "edited_message"
+
+	// UpdateTypeChannelPost is new incoming channel post of any kind — text, photo, sticker, etc.
+	UpdateTypeChannelPost = "channel_post"
+
+	// UpdateTypeEditedChannelPost is new version of a channel post that is known to the bot and was edited
+	UpdateTypeEditedChannelPost = "edited_channel_post"
+
+	// UpdateTypeInlineQuery is new incoming inline query
+	UpdateTypeInlineQuery = "inline_query"
+
+	// UpdateTypeChosenInlineResult i the result of an inline query that was chosen by a user and sent to their
+	// chat partner. Please see the documentation on the feedback collecting for
+	// details on how to enable these updates for your bot.
+	UpdateTypeChosenInlineResult = "chosen_inline_result"
+
+	// UpdateTypeCallbackQuery is new incoming callback query
+	UpdateTypeCallbackQuery = "callback_query"
+
+	// UpdateTypeShippingQuery is new incoming shipping query. Only for invoices with flexible price
+	UpdateTypeShippingQuery = "shipping_query"
+
+	// UpdateTypePreCheckoutQuery is new incoming pre-checkout query. Contains full information about checkout
+	UpdateTypePreCheckoutQuery = "pre_checkout_query"
+
+	// UpdateTypePoll is new poll state. Bots receive only updates about stopped polls and polls
+	// which are sent by the bot
+	UpdateTypePoll = "poll"
+
+	// UpdateTypePollAnswer is when user changed their answer in a non-anonymous poll. Bots receive new votes
+	// only in polls that were sent by the bot itself.
+	UpdateTypePollAnswer = "poll_answer"
+
+	// UpdateTypeMyChatMember is when the bot's chat member status was updated in a chat. For private chats, this
+	// update is received only when the bot is blocked or unblocked by the user.
+	UpdateTypeMyChatMember = "my_chat_member"
+
+	// UpdateTypeChatMember is when the bot must be an administrator in the chat and must explicitly specify
+	// this update in the list of allowed_updates to receive these updates.
+	UpdateTypeChatMember = "chat_member"
+)
+
+// Library errors
+const (
+	ErrBadURL = "bad or empty url"
+)
+
+// Chattable is any config type that can be sent.
+type Chattable interface {
+	params() (Params, error)
+	method() string
+}
+
+// Fileable is any config type that can be sent that includes a file.
+type Fileable interface {
+	Chattable
+	files() []RequestFile
+}
+
+// RequestFile represents a file associated with a field name.
+type RequestFile struct {
+	// The file field name.
+	Name string
+	// The file data to include.
+	Data RequestFileData
+}
+
+// RequestFileData represents the data to be used for a file.
+type RequestFileData interface {
+	// NeedsUpload shows if the file needs to be uploaded.
+	NeedsUpload() bool
+
+	// UploadData gets the file name and an `io.Reader` for the file to be uploaded. This
+	// must only be called when the file needs to be uploaded.
+	UploadData() (string, io.Reader, error)
+	// SendData gets the file data to send when a file does not need to be uploaded. This
+	// must only be called when the file does not need to be uploaded.
+	SendData() string
+}
+
+// FileBytes contains information about a set of bytes to upload
+// as a File.
+type FileBytes struct {
+	Name  string
+	Bytes []byte
+}
+
+func (fb FileBytes) NeedsUpload() bool {
+	return true
+}
+
+func (fb FileBytes) UploadData() (string, io.Reader, error) {
+	return fb.Name, bytes.NewReader(fb.Bytes), nil
+}
+
+func (fb FileBytes) SendData() string {
+	panic("FileBytes must be uploaded")
+}
+
+// FileReader contains information about a reader to upload as a File.
+type FileReader struct {
+	Name   string
+	Reader io.Reader
+}
+
+func (fr FileReader) NeedsUpload() bool {
+	return true
+}
+
+func (fr FileReader) UploadData() (string, io.Reader, error) {
+	return fr.Name, fr.Reader, nil
+}
+
+func (fr FileReader) SendData() string {
+	panic("FileReader must be uploaded")
+}
+
+// FilePath is a path to a local file.
+type FilePath string
+
+func (fp FilePath) NeedsUpload() bool {
+	return true
+}
+
+func (fp FilePath) UploadData() (string, io.Reader, error) {
+	fileHandle, err := os.Open(string(fp))
+	if err != nil {
+		return "", nil, err
+	}
+
+	name := fileHandle.Name()
+	return name, fileHandle, err
+}
+
+func (fp FilePath) SendData() string {
+	panic("FilePath must be uploaded")
+}
+
+// FileURL is a URL to use as a file for a request.
+type FileURL string
+
+func (fu FileURL) NeedsUpload() bool {
+	return false
+}
+
+func (fu FileURL) UploadData() (string, io.Reader, error) {
+	panic("FileURL cannot be uploaded")
+}
+
+func (fu FileURL) SendData() string {
+	return string(fu)
+}
+
+// FileID is an ID of a file already uploaded to Telegram.
+type FileID string
+
+func (fi FileID) NeedsUpload() bool {
+	return false
+}
+
+func (fi FileID) UploadData() (string, io.Reader, error) {
+	panic("FileID cannot be uploaded")
+}
+
+func (fi FileID) SendData() string {
+	return string(fi)
+}
+
+// fileAttach is an internal file type used for processed media groups.
+type fileAttach string
+
+func (fa fileAttach) NeedsUpload() bool {
+	return false
+}
+
+func (fa fileAttach) UploadData() (string, io.Reader, error) {
+	panic("fileAttach cannot be uploaded")
+}
+
+func (fa fileAttach) SendData() string {
+	return string(fa)
+}
+
+// LogOutConfig is a request to log out of the cloud Bot API server.
+//
+// Note that you may not log back in for at least 10 minutes.
+type LogOutConfig struct{}
+
+func (LogOutConfig) method() string {
+	return "logOut"
+}
+
+func (LogOutConfig) params() (Params, error) {
+	return nil, nil
+}
+
+// CloseConfig is a request to close the bot instance on a local server.
+//
+// Note that you may not close an instance for the first 10 minutes after the
+// bot has started.
+type CloseConfig struct{}
+
+func (CloseConfig) method() string {
+	return "close"
+}
+
+func (CloseConfig) params() (Params, error) {
+	return nil, nil
+}
+
+// BaseChat is base type for all chat config types.
+type BaseChat struct {
+	ChatID                   int64 // required
+	MessageThreadID          int
+	ChannelUsername          string
+	ProtectContent           bool
+	ReplyToMessageID         int
+	ReplyMarkup              interface{}
+	DisableNotification      bool
+	AllowSendingWithoutReply bool
+}
+
+func (chat *BaseChat) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", chat.ChatID, chat.ChannelUsername)
+	params.AddNonZero("message_thread_id", chat.MessageThreadID)
+	params.AddNonZero("reply_to_message_id", chat.ReplyToMessageID)
+	params.AddBool("disable_notification", chat.DisableNotification)
+	params.AddBool("allow_sending_without_reply", chat.AllowSendingWithoutReply)
+	params.AddBool("protect_content", chat.ProtectContent)
+
+	err := params.AddInterface("reply_markup", chat.ReplyMarkup)
+
+	return params, err
+}
+
+// BaseFile is a base type for all file config types.
+type BaseFile struct {
+	BaseChat
+	File RequestFileData
+}
+
+func (file BaseFile) params() (Params, error) {
+	return file.BaseChat.params()
+}
+
+// BaseEdit is base type of all chat edits.
+type BaseEdit struct {
+	ChatID          int64
+	ChannelUsername string
+	MessageID       int
+	InlineMessageID string
+	ReplyMarkup     *InlineKeyboardMarkup
+}
+
+func (edit BaseEdit) params() (Params, error) {
+	params := make(Params)
+
+	if edit.InlineMessageID != "" {
+		params["inline_message_id"] = edit.InlineMessageID
+	} else {
+		params.AddFirstValid("chat_id", edit.ChatID, edit.ChannelUsername)
+		params.AddNonZero("message_id", edit.MessageID)
+	}
+
+	err := params.AddInterface("reply_markup", edit.ReplyMarkup)
+
+	return params, err
+}
+
+// BaseSpoiler is base type of structures with spoilers.
+type BaseSpoiler struct {
+	HasSpoiler bool
+}
+
+func (spoiler BaseSpoiler) params() (Params, error) {
+	params := make(Params)
+
+	if spoiler.HasSpoiler {
+		params.AddBool("has_spoiler", true)
+	}
+
+	return params, nil
+}
+
+// MessageConfig contains information about a SendMessage request.
+type MessageConfig struct {
+	BaseChat
+	Text                  string
+	ParseMode             string
+	Entities              []MessageEntity
+	DisableWebPagePreview bool
+}
+
+func (config MessageConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonEmpty("text", config.Text)
+	params.AddBool("disable_web_page_preview", config.DisableWebPagePreview)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("entities", config.Entities)
+
+	return params, err
+}
+
+func (config MessageConfig) method() string {
+	return "sendMessage"
+}
+
+// ForwardConfig contains information about a ForwardMessage request.
+type ForwardConfig struct {
+	BaseChat
+	FromChatID          int64 // required
+	FromChannelUsername string
+	MessageID           int // required
+}
+
+func (config ForwardConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonZero64("from_chat_id", config.FromChatID)
+	params.AddNonZero("message_id", config.MessageID)
+
+	return params, nil
+}
+
+func (config ForwardConfig) method() string {
+	return "forwardMessage"
+}
+
+// CopyMessageConfig contains information about a copyMessage request.
+type CopyMessageConfig struct {
+	BaseChat
+	FromChatID          int64
+	FromChannelUsername string
+	MessageID           int
+	Caption             string
+	ParseMode           string
+	CaptionEntities     []MessageEntity
+}
+
+func (config CopyMessageConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddFirstValid("from_chat_id", config.FromChatID, config.FromChannelUsername)
+	params.AddNonZero("message_id", config.MessageID)
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+
+	return params, err
+}
+
+func (config CopyMessageConfig) method() string {
+	return "copyMessage"
+}
+
+// PhotoConfig contains information about a SendPhoto request.
+type PhotoConfig struct {
+	BaseFile
+	BaseSpoiler
+	Thumb           RequestFileData
+	Caption         string
+	ParseMode       string
+	CaptionEntities []MessageEntity
+}
+
+func (config PhotoConfig) params() (Params, error) {
+	params, err := config.BaseFile.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+	if err != nil {
+		return params, err
+	}
+
+	p1, err := config.BaseSpoiler.params()
+	if err != nil {
+		return params, err
+	}
+	params.Merge(p1)
+
+	return params, err
+}
+
+func (config PhotoConfig) method() string {
+	return "sendPhoto"
+}
+
+func (config PhotoConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "photo",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// AudioConfig contains information about a SendAudio request.
+type AudioConfig struct {
+	BaseFile
+	Thumb           RequestFileData
+	Caption         string
+	ParseMode       string
+	CaptionEntities []MessageEntity
+	Duration        int
+	Performer       string
+	Title           string
+}
+
+func (config AudioConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("duration", config.Duration)
+	params.AddNonEmpty("performer", config.Performer)
+	params.AddNonEmpty("title", config.Title)
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+
+	return params, err
+}
+
+func (config AudioConfig) method() string {
+	return "sendAudio"
+}
+
+func (config AudioConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "audio",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// DocumentConfig contains information about a SendDocument request.
+type DocumentConfig struct {
+	BaseFile
+	Thumb                       RequestFileData
+	Caption                     string
+	ParseMode                   string
+	CaptionEntities             []MessageEntity
+	DisableContentTypeDetection bool
+}
+
+func (config DocumentConfig) params() (Params, error) {
+	params, err := config.BaseFile.params()
+
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	params.AddBool("disable_content_type_detection", config.DisableContentTypeDetection)
+
+	return params, err
+}
+
+func (config DocumentConfig) method() string {
+	return "sendDocument"
+}
+
+func (config DocumentConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "document",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// StickerConfig contains information about a SendSticker request.
+type StickerConfig struct {
+	BaseFile
+}
+
+func (config StickerConfig) params() (Params, error) {
+	return config.BaseChat.params()
+}
+
+func (config StickerConfig) method() string {
+	return "sendSticker"
+}
+
+func (config StickerConfig) files() []RequestFile {
+	return []RequestFile{{
+		Name: "sticker",
+		Data: config.File,
+	}}
+}
+
+// VideoConfig contains information about a SendVideo request.
+type VideoConfig struct {
+	BaseFile
+	BaseSpoiler
+	Thumb             RequestFileData
+	Duration          int
+	Caption           string
+	ParseMode         string
+	CaptionEntities   []MessageEntity
+	SupportsStreaming bool
+}
+
+func (config VideoConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("duration", config.Duration)
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	params.AddBool("supports_streaming", config.SupportsStreaming)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+	if err != nil {
+		return params, err
+	}
+
+	p1, err := config.BaseSpoiler.params()
+	if err != nil {
+		return params, err
+	}
+	params.Merge(p1)
+
+	return params, err
+}
+
+func (config VideoConfig) method() string {
+	return "sendVideo"
+}
+
+func (config VideoConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "video",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// AnimationConfig contains information about a SendAnimation request.
+type AnimationConfig struct {
+	BaseFile
+	BaseSpoiler
+	Duration        int
+	Thumb           RequestFileData
+	Caption         string
+	ParseMode       string
+	CaptionEntities []MessageEntity
+}
+
+func (config AnimationConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("duration", config.Duration)
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+	if err != nil {
+		return params, err
+	}
+
+	p1, err := config.BaseSpoiler.params()
+	if err != nil {
+		return params, err
+	}
+	params.Merge(p1)
+
+	return params, err
+}
+
+func (config AnimationConfig) method() string {
+	return "sendAnimation"
+}
+
+func (config AnimationConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "animation",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// VideoNoteConfig contains information about a SendVideoNote request.
+type VideoNoteConfig struct {
+	BaseFile
+	Thumb    RequestFileData
+	Duration int
+	Length   int
+}
+
+func (config VideoNoteConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params.AddNonZero("duration", config.Duration)
+	params.AddNonZero("length", config.Length)
+
+	return params, err
+}
+
+func (config VideoNoteConfig) method() string {
+	return "sendVideoNote"
+}
+
+func (config VideoNoteConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "video_note",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// VoiceConfig contains information about a SendVoice request.
+type VoiceConfig struct {
+	BaseFile
+	Thumb           RequestFileData
+	Caption         string
+	ParseMode       string
+	CaptionEntities []MessageEntity
+	Duration        int
+}
+
+func (config VoiceConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("duration", config.Duration)
+	params.AddNonEmpty("caption", config.Caption)
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+
+	return params, err
+}
+
+func (config VoiceConfig) method() string {
+	return "sendVoice"
+}
+
+func (config VoiceConfig) files() []RequestFile {
+	files := []RequestFile{{
+		Name: "voice",
+		Data: config.File,
+	}}
+
+	if config.Thumb != nil {
+		files = append(files, RequestFile{
+			Name: "thumb",
+			Data: config.Thumb,
+		})
+	}
+
+	return files
+}
+
+// LocationConfig contains information about a SendLocation request.
+type LocationConfig struct {
+	BaseChat
+	Latitude             float64 // required
+	Longitude            float64 // required
+	HorizontalAccuracy   float64 // optional
+	LivePeriod           int     // optional
+	Heading              int     // optional
+	ProximityAlertRadius int     // optional
+}
+
+func (config LocationConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params.AddNonZeroFloat("latitude", config.Latitude)
+	params.AddNonZeroFloat("longitude", config.Longitude)
+	params.AddNonZeroFloat("horizontal_accuracy", config.HorizontalAccuracy)
+	params.AddNonZero("live_period", config.LivePeriod)
+	params.AddNonZero("heading", config.Heading)
+	params.AddNonZero("proximity_alert_radius", config.ProximityAlertRadius)
+
+	return params, err
+}
+
+func (config LocationConfig) method() string {
+	return "sendLocation"
+}
+
+// EditMessageLiveLocationConfig allows you to update a live location.
+type EditMessageLiveLocationConfig struct {
+	BaseEdit
+	Latitude             float64 // required
+	Longitude            float64 // required
+	HorizontalAccuracy   float64 // optional
+	Heading              int     // optional
+	ProximityAlertRadius int     // optional
+}
+
+func (config EditMessageLiveLocationConfig) params() (Params, error) {
+	params, err := config.BaseEdit.params()
+
+	params.AddNonZeroFloat("latitude", config.Latitude)
+	params.AddNonZeroFloat("longitude", config.Longitude)
+	params.AddNonZeroFloat("horizontal_accuracy", config.HorizontalAccuracy)
+	params.AddNonZero("heading", config.Heading)
+	params.AddNonZero("proximity_alert_radius", config.ProximityAlertRadius)
+
+	return params, err
+}
+
+func (config EditMessageLiveLocationConfig) method() string {
+	return "editMessageLiveLocation"
+}
+
+// StopMessageLiveLocationConfig stops updating a live location.
+type StopMessageLiveLocationConfig struct {
+	BaseEdit
+}
+
+func (config StopMessageLiveLocationConfig) params() (Params, error) {
+	return config.BaseEdit.params()
+}
+
+func (config StopMessageLiveLocationConfig) method() string {
+	return "stopMessageLiveLocation"
+}
+
+// VenueConfig contains information about a SendVenue request.
+type VenueConfig struct {
+	BaseChat
+	Latitude        float64 // required
+	Longitude       float64 // required
+	Title           string  // required
+	Address         string  // required
+	FoursquareID    string
+	FoursquareType  string
+	GooglePlaceID   string
+	GooglePlaceType string
+}
+
+func (config VenueConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params.AddNonZeroFloat("latitude", config.Latitude)
+	params.AddNonZeroFloat("longitude", config.Longitude)
+	params["title"] = config.Title
+	params["address"] = config.Address
+	params.AddNonEmpty("foursquare_id", config.FoursquareID)
+	params.AddNonEmpty("foursquare_type", config.FoursquareType)
+	params.AddNonEmpty("google_place_id", config.GooglePlaceID)
+	params.AddNonEmpty("google_place_type", config.GooglePlaceType)
+
+	return params, err
+}
+
+func (config VenueConfig) method() string {
+	return "sendVenue"
+}
+
+// ContactConfig allows you to send a contact.
+type ContactConfig struct {
+	BaseChat
+	PhoneNumber string
+	FirstName   string
+	LastName    string
+	VCard       string
+}
+
+func (config ContactConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params["phone_number"] = config.PhoneNumber
+	params["first_name"] = config.FirstName
+
+	params.AddNonEmpty("last_name", config.LastName)
+	params.AddNonEmpty("vcard", config.VCard)
+
+	return params, err
+}
+
+func (config ContactConfig) method() string {
+	return "sendContact"
+}
+
+// SendPollConfig allows you to send a poll.
+type SendPollConfig struct {
+	BaseChat
+	Question              string
+	Options               []string
+	IsAnonymous           bool
+	Type                  string
+	AllowsMultipleAnswers bool
+	CorrectOptionID       int64
+	Explanation           string
+	ExplanationParseMode  string
+	ExplanationEntities   []MessageEntity
+	OpenPeriod            int
+	CloseDate             int
+	IsClosed              bool
+}
+
+func (config SendPollConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params["question"] = config.Question
+	if err = params.AddInterface("options", config.Options); err != nil {
+		return params, err
+	}
+	params["is_anonymous"] = strconv.FormatBool(config.IsAnonymous)
+	params.AddNonEmpty("type", config.Type)
+	params["allows_multiple_answers"] = strconv.FormatBool(config.AllowsMultipleAnswers)
+	params["correct_option_id"] = strconv.FormatInt(config.CorrectOptionID, 10)
+	params.AddBool("is_closed", config.IsClosed)
+	params.AddNonEmpty("explanation", config.Explanation)
+	params.AddNonEmpty("explanation_parse_mode", config.ExplanationParseMode)
+	params.AddNonZero("open_period", config.OpenPeriod)
+	params.AddNonZero("close_date", config.CloseDate)
+	err = params.AddInterface("explanation_entities", config.ExplanationEntities)
+
+	return params, err
+}
+
+func (SendPollConfig) method() string {
+	return "sendPoll"
+}
+
+// GameConfig allows you to send a game.
+type GameConfig struct {
+	BaseChat
+	GameShortName string
+}
+
+func (config GameConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params["game_short_name"] = config.GameShortName
+
+	return params, err
+}
+
+func (config GameConfig) method() string {
+	return "sendGame"
+}
+
+// SetGameScoreConfig allows you to update the game score in a chat.
+type SetGameScoreConfig struct {
+	UserID             int64
+	Score              int
+	Force              bool
+	DisableEditMessage bool
+	ChatID             int64
+	ChannelUsername    string
+	MessageID          int
+	InlineMessageID    string
+}
+
+func (config SetGameScoreConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddNonZero("scrore", config.Score)
+	params.AddBool("disable_edit_message", config.DisableEditMessage)
+
+	if config.InlineMessageID != "" {
+		params["inline_message_id"] = config.InlineMessageID
+	} else {
+		params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+		params.AddNonZero("message_id", config.MessageID)
+	}
+
+	return params, nil
+}
+
+func (config SetGameScoreConfig) method() string {
+	return "setGameScore"
+}
+
+// GetGameHighScoresConfig allows you to fetch the high scores for a game.
+type GetGameHighScoresConfig struct {
+	UserID          int64
+	ChatID          int64
+	ChannelUsername string
+	MessageID       int
+	InlineMessageID string
+}
+
+func (config GetGameHighScoresConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+
+	if config.InlineMessageID != "" {
+		params["inline_message_id"] = config.InlineMessageID
+	} else {
+		params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+		params.AddNonZero("message_id", config.MessageID)
+	}
+
+	return params, nil
+}
+
+func (config GetGameHighScoresConfig) method() string {
+	return "getGameHighScores"
+}
+
+// ChatActionConfig contains information about a SendChatAction request.
+type ChatActionConfig struct {
+	BaseChat
+	MessageThreadID int
+	Action          string // required
+}
+
+func (config ChatActionConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+
+	params["action"] = config.Action
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	return params, err
+}
+
+func (config ChatActionConfig) method() string {
+	return "sendChatAction"
+}
+
+// EditMessageTextConfig allows you to modify the text in a message.
+type EditMessageTextConfig struct {
+	BaseEdit
+	Text                  string
+	ParseMode             string
+	Entities              []MessageEntity
+	DisableWebPagePreview bool
+}
+
+func (config EditMessageTextConfig) params() (Params, error) {
+	params, err := config.BaseEdit.params()
+	if err != nil {
+		return params, err
+	}
+
+	params["text"] = config.Text
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	params.AddBool("disable_web_page_preview", config.DisableWebPagePreview)
+	err = params.AddInterface("entities", config.Entities)
+
+	return params, err
+}
+
+func (config EditMessageTextConfig) method() string {
+	return "editMessageText"
+}
+
+// EditMessageCaptionConfig allows you to modify the caption of a message.
+type EditMessageCaptionConfig struct {
+	BaseEdit
+	Caption         string
+	ParseMode       string
+	CaptionEntities []MessageEntity
+}
+
+func (config EditMessageCaptionConfig) params() (Params, error) {
+	params, err := config.BaseEdit.params()
+	if err != nil {
+		return params, err
+	}
+
+	params["caption"] = config.Caption
+	params.AddNonEmpty("parse_mode", config.ParseMode)
+	err = params.AddInterface("caption_entities", config.CaptionEntities)
+
+	return params, err
+}
+
+func (config EditMessageCaptionConfig) method() string {
+	return "editMessageCaption"
+}
+
+// EditMessageMediaConfig allows you to make an editMessageMedia request.
+type EditMessageMediaConfig struct {
+	BaseEdit
+
+	Media interface{}
+}
+
+func (EditMessageMediaConfig) method() string {
+	return "editMessageMedia"
+}
+
+func (config EditMessageMediaConfig) params() (Params, error) {
+	params, err := config.BaseEdit.params()
+	if err != nil {
+		return params, err
+	}
+
+	err = params.AddInterface("media", prepareInputMediaParam(config.Media, 0))
+
+	return params, err
+}
+
+func (config EditMessageMediaConfig) files() []RequestFile {
+	return prepareInputMediaFile(config.Media, 0)
+}
+
+// EditMessageReplyMarkupConfig allows you to modify the reply markup
+// of a message.
+type EditMessageReplyMarkupConfig struct {
+	BaseEdit
+}
+
+func (config EditMessageReplyMarkupConfig) params() (Params, error) {
+	return config.BaseEdit.params()
+}
+
+func (config EditMessageReplyMarkupConfig) method() string {
+	return "editMessageReplyMarkup"
+}
+
+// StopPollConfig allows you to stop a poll sent by the bot.
+type StopPollConfig struct {
+	BaseEdit
+}
+
+func (config StopPollConfig) params() (Params, error) {
+	return config.BaseEdit.params()
+}
+
+func (StopPollConfig) method() string {
+	return "stopPoll"
+}
+
+// UserProfilePhotosConfig contains information about a
+// GetUserProfilePhotos request.
+type UserProfilePhotosConfig struct {
+	UserID int64
+	Offset int
+	Limit  int
+}
+
+func (UserProfilePhotosConfig) method() string {
+	return "getUserProfilePhotos"
+}
+
+func (config UserProfilePhotosConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddNonZero("offset", config.Offset)
+	params.AddNonZero("limit", config.Limit)
+
+	return params, nil
+}
+
+// FileConfig has information about a file hosted on Telegram.
+type FileConfig struct {
+	FileID string
+}
+
+func (FileConfig) method() string {
+	return "getFile"
+}
+
+func (config FileConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["file_id"] = config.FileID
+
+	return params, nil
+}
+
+// UpdateConfig contains information about a GetUpdates request.
+type UpdateConfig struct {
+	Offset         int
+	Limit          int
+	Timeout        int
+	AllowedUpdates []string
+}
+
+func (UpdateConfig) method() string {
+	return "getUpdates"
+}
+
+func (config UpdateConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero("offset", config.Offset)
+	params.AddNonZero("limit", config.Limit)
+	params.AddNonZero("timeout", config.Timeout)
+	params.AddInterface("allowed_updates", config.AllowedUpdates)
+
+	return params, nil
+}
+
+// WebhookConfig contains information about a SetWebhook request.
+type WebhookConfig struct {
+	URL                *url.URL
+	Certificate        RequestFileData
+	IPAddress          string
+	MaxConnections     int
+	AllowedUpdates     []string
+	DropPendingUpdates bool
+	SecretToken        string
+}
+
+func (config WebhookConfig) method() string {
+	return "setWebhook"
+}
+
+func (config WebhookConfig) params() (Params, error) {
+	params := make(Params)
+
+	if config.URL != nil {
+		params["url"] = config.URL.String()
+	}
+
+	params.AddNonEmpty("ip_address", config.IPAddress)
+	params.AddNonZero("max_connections", config.MaxConnections)
+	err := params.AddInterface("allowed_updates", config.AllowedUpdates)
+	params.AddBool("drop_pending_updates", config.DropPendingUpdates)
+	params.AddNonEmpty("secret_token", config.SecretToken)
+
+	return params, err
+}
+
+func (config WebhookConfig) files() []RequestFile {
+	if config.Certificate != nil {
+		return []RequestFile{{
+			Name: "certificate",
+			Data: config.Certificate,
+		}}
+	}
+
+	return nil
+}
+
+// DeleteWebhookConfig is a helper to delete a webhook.
+type DeleteWebhookConfig struct {
+	DropPendingUpdates bool
+}
+
+func (config DeleteWebhookConfig) method() string {
+	return "deleteWebhook"
+}
+
+func (config DeleteWebhookConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddBool("drop_pending_updates", config.DropPendingUpdates)
+
+	return params, nil
+}
+
+// InlineConfig contains information on making an InlineQuery response.
+type InlineConfig struct {
+	InlineQueryID     string        `json:"inline_query_id"`
+	Results           []interface{} `json:"results"`
+	CacheTime         int           `json:"cache_time"`
+	IsPersonal        bool          `json:"is_personal"`
+	NextOffset        string        `json:"next_offset"`
+	SwitchPMText      string        `json:"switch_pm_text"`
+	SwitchPMParameter string        `json:"switch_pm_parameter"`
+}
+
+func (config InlineConfig) method() string {
+	return "answerInlineQuery"
+}
+
+func (config InlineConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["inline_query_id"] = config.InlineQueryID
+	params.AddNonZero("cache_time", config.CacheTime)
+	params.AddBool("is_personal", config.IsPersonal)
+	params.AddNonEmpty("next_offset", config.NextOffset)
+	params.AddNonEmpty("switch_pm_text", config.SwitchPMText)
+	params.AddNonEmpty("switch_pm_parameter", config.SwitchPMParameter)
+	err := params.AddInterface("results", config.Results)
+
+	return params, err
+}
+
+// AnswerWebAppQueryConfig is used to set the result of an interaction with a
+// Web App and send a corresponding message on behalf of the user to the chat
+// from which the query originated.
+type AnswerWebAppQueryConfig struct {
+	// WebAppQueryID is the unique identifier for the query to be answered.
+	WebAppQueryID string `json:"web_app_query_id"`
+	// Result is an InlineQueryResult object describing the message to be sent.
+	Result interface{} `json:"result"`
+}
+
+func (config AnswerWebAppQueryConfig) method() string {
+	return "answerWebAppQuery"
+}
+
+func (config AnswerWebAppQueryConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["web_app_query_id"] = config.WebAppQueryID
+	err := params.AddInterface("result", config.Result)
+
+	return params, err
+}
+
+// CallbackConfig contains information on making a CallbackQuery response.
+type CallbackConfig struct {
+	CallbackQueryID string `json:"callback_query_id"`
+	Text            string `json:"text"`
+	ShowAlert       bool   `json:"show_alert"`
+	URL             string `json:"url"`
+	CacheTime       int    `json:"cache_time"`
+}
+
+func (config CallbackConfig) method() string {
+	return "answerCallbackQuery"
+}
+
+func (config CallbackConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["callback_query_id"] = config.CallbackQueryID
+	params.AddNonEmpty("text", config.Text)
+	params.AddBool("show_alert", config.ShowAlert)
+	params.AddNonEmpty("url", config.URL)
+	params.AddNonZero("cache_time", config.CacheTime)
+
+	return params, nil
+}
+
+// ChatMemberConfig contains information about a user in a chat for use
+// with administrative functions such as kicking or unbanning a user.
+type ChatMemberConfig struct {
+	ChatID             int64
+	SuperGroupUsername string
+	ChannelUsername    string
+	UserID             int64
+}
+
+// UnbanChatMemberConfig allows you to unban a user.
+type UnbanChatMemberConfig struct {
+	ChatMemberConfig
+	OnlyIfBanned bool
+}
+
+func (config UnbanChatMemberConfig) method() string {
+	return "unbanChatMember"
+}
+
+func (config UnbanChatMemberConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddBool("only_if_banned", config.OnlyIfBanned)
+
+	return params, nil
+}
+
+// BanChatMemberConfig contains extra fields to kick user.
+type BanChatMemberConfig struct {
+	ChatMemberConfig
+	UntilDate      int64
+	RevokeMessages bool
+}
+
+func (config BanChatMemberConfig) method() string {
+	return "banChatMember"
+}
+
+func (config BanChatMemberConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddNonZero64("until_date", config.UntilDate)
+	params.AddBool("revoke_messages", config.RevokeMessages)
+
+	return params, nil
+}
+
+// KickChatMemberConfig contains extra fields to ban user.
+//
+// This was renamed to BanChatMember in later versions of the Telegram Bot API.
+type KickChatMemberConfig = BanChatMemberConfig
+
+// RestrictChatMemberConfig contains fields to restrict members of chat
+type RestrictChatMemberConfig struct {
+	ChatMemberConfig
+	UntilDate                     int64
+	UseIndependentChatPermissions bool
+	Permissions                   *ChatPermissions
+}
+
+func (config RestrictChatMemberConfig) method() string {
+	return "restrictChatMember"
+}
+
+func (config RestrictChatMemberConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddBool("use_independent_chat_permissions", config.UseIndependentChatPermissions)
+
+	err := params.AddInterface("permissions", config.Permissions)
+	params.AddNonZero64("until_date", config.UntilDate)
+
+	return params, err
+}
+
+// PromoteChatMemberConfig contains fields to promote members of chat
+type PromoteChatMemberConfig struct {
+	ChatMemberConfig
+	IsAnonymous         bool
+	CanManageChat       bool
+	CanChangeInfo       bool
+	CanPostMessages     bool
+	CanEditMessages     bool
+	CanDeleteMessages   bool
+	CanManageVideoChats bool
+	CanInviteUsers      bool
+	CanRestrictMembers  bool
+	CanPinMessages      bool
+	CanPromoteMembers   bool
+	CanManageTopics     bool
+}
+
+func (config PromoteChatMemberConfig) method() string {
+	return "promoteChatMember"
+}
+
+func (config PromoteChatMemberConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
+	params.AddNonZero64("user_id", config.UserID)
+
+	params.AddBool("is_anonymous", config.IsAnonymous)
+	params.AddBool("can_manage_chat", config.CanManageChat)
+	params.AddBool("can_change_info", config.CanChangeInfo)
+	params.AddBool("can_post_messages", config.CanPostMessages)
+	params.AddBool("can_edit_messages", config.CanEditMessages)
+	params.AddBool("can_delete_messages", config.CanDeleteMessages)
+	params.AddBool("can_manage_video_chats", config.CanManageVideoChats)
+	params.AddBool("can_invite_users", config.CanInviteUsers)
+	params.AddBool("can_restrict_members", config.CanRestrictMembers)
+	params.AddBool("can_pin_messages", config.CanPinMessages)
+	params.AddBool("can_promote_members", config.CanPromoteMembers)
+	params.AddBool("can_manage_topics", config.CanManageTopics)
+
+	return params, nil
+}
+
+// SetChatAdministratorCustomTitle sets the title of an administrative user
+// promoted by the bot for a chat.
+type SetChatAdministratorCustomTitle struct {
+	ChatMemberConfig
+	CustomTitle string
+}
+
+func (SetChatAdministratorCustomTitle) method() string {
+	return "setChatAdministratorCustomTitle"
+}
+
+func (config SetChatAdministratorCustomTitle) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
+	params.AddNonZero64("user_id", config.UserID)
+	params.AddNonEmpty("custom_title", config.CustomTitle)
+
+	return params, nil
+}
+
+// BanChatSenderChatConfig bans a channel chat in a supergroup or a channel. The
+// owner of the chat will not be able to send messages and join live streams on
+// behalf of the chat, unless it is unbanned first. The bot must be an
+// administrator in the supergroup or channel for this to work and must have the
+// appropriate administrator rights.
+type BanChatSenderChatConfig struct {
+	ChatID          int64
+	ChannelUsername string
+	SenderChatID    int64
+	UntilDate       int
+}
+
+func (config BanChatSenderChatConfig) method() string {
+	return "banChatSenderChat"
+}
+
+func (config BanChatSenderChatConfig) params() (Params, error) {
+	params := make(Params)
+
+	_ = params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddNonZero64("sender_chat_id", config.SenderChatID)
+	params.AddNonZero("until_date", config.UntilDate)
+
+	return params, nil
+}
+
+// UnbanChatSenderChatConfig unbans a previously banned channel chat in a
+// supergroup or channel. The bot must be an administrator for this to work and
+// must have the appropriate administrator rights.
+type UnbanChatSenderChatConfig struct {
+	ChatID          int64
+	ChannelUsername string
+	SenderChatID    int64
+}
+
+func (config UnbanChatSenderChatConfig) method() string {
+	return "unbanChatSenderChat"
+}
+
+func (config UnbanChatSenderChatConfig) params() (Params, error) {
+	params := make(Params)
+
+	_ = params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddNonZero64("sender_chat_id", config.SenderChatID)
+
+	return params, nil
+}
+
+// ChatConfig contains information about getting information on a chat.
+type ChatConfig struct {
+	ChatID             int64
+	SuperGroupUsername string
+}
+
+func (config ChatConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+
+	return params, nil
+}
+
+// ChatInfoConfig contains information about getting chat information.
+type ChatInfoConfig struct {
+	ChatConfig
+}
+
+func (ChatInfoConfig) method() string {
+	return "getChat"
+}
+
+// ChatMemberCountConfig contains information about getting the number of users in a chat.
+type ChatMemberCountConfig struct {
+	ChatConfig
+}
+
+func (ChatMemberCountConfig) method() string {
+	return "getChatMembersCount"
+}
+
+// ChatAdministratorsConfig contains information about getting chat administrators.
+type ChatAdministratorsConfig struct {
+	ChatConfig
+}
+
+func (ChatAdministratorsConfig) method() string {
+	return "getChatAdministrators"
+}
+
+// SetChatPermissionsConfig allows you to set default permissions for the
+// members in a group. The bot must be an administrator and have rights to
+// restrict members.
+type SetChatPermissionsConfig struct {
+	ChatConfig
+	UseIndependentChatPermissions bool
+	Permissions                   *ChatPermissions
+}
+
+func (SetChatPermissionsConfig) method() string {
+	return "setChatPermissions"
+}
+
+func (config SetChatPermissionsConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddBool("use_independent_chat_permissions", config.UseIndependentChatPermissions)
+	err := params.AddInterface("permissions", config.Permissions)
+
+	return params, err
+}
+
+// ChatInviteLinkConfig contains information about getting a chat link.
+//
+// Note that generating a new link will revoke any previous links.
+type ChatInviteLinkConfig struct {
+	ChatConfig
+}
+
+func (ChatInviteLinkConfig) method() string {
+	return "exportChatInviteLink"
+}
+
+func (config ChatInviteLinkConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+
+	return params, nil
+}
+
+// CreateChatInviteLinkConfig allows you to create an additional invite link for
+// a chat. The bot must be an administrator in the chat for this to work and
+// must have the appropriate admin rights. The link can be revoked using the
+// RevokeChatInviteLinkConfig.
+type CreateChatInviteLinkConfig struct {
+	ChatConfig
+	Name               string
+	ExpireDate         int
+	MemberLimit        int
+	CreatesJoinRequest bool
+}
+
+func (CreateChatInviteLinkConfig) method() string {
+	return "createChatInviteLink"
+}
+
+func (config CreateChatInviteLinkConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonEmpty("name", config.Name)
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("expire_date", config.ExpireDate)
+	params.AddNonZero("member_limit", config.MemberLimit)
+	params.AddBool("creates_join_request", config.CreatesJoinRequest)
+
+	return params, nil
+}
+
+// EditChatInviteLinkConfig allows you to edit a non-primary invite link created
+// by the bot. The bot must be an administrator in the chat for this to work and
+// must have the appropriate admin rights.
+type EditChatInviteLinkConfig struct {
+	ChatConfig
+	InviteLink         string
+	Name               string
+	ExpireDate         int
+	MemberLimit        int
+	CreatesJoinRequest bool
+}
+
+func (EditChatInviteLinkConfig) method() string {
+	return "editChatInviteLink"
+}
+
+func (config EditChatInviteLinkConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonEmpty("name", config.Name)
+	params["invite_link"] = config.InviteLink
+	params.AddNonZero("expire_date", config.ExpireDate)
+	params.AddNonZero("member_limit", config.MemberLimit)
+	params.AddBool("creates_join_request", config.CreatesJoinRequest)
+
+	return params, nil
+}
+
+// RevokeChatInviteLinkConfig allows you to revoke an invite link created by the
+// bot. If the primary link is revoked, a new link is automatically generated.
+// The bot must be an administrator in the chat for this to work and must have
+// the appropriate admin rights.
+type RevokeChatInviteLinkConfig struct {
+	ChatConfig
+	InviteLink string
+}
+
+func (RevokeChatInviteLinkConfig) method() string {
+	return "revokeChatInviteLink"
+}
+
+func (config RevokeChatInviteLinkConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params["invite_link"] = config.InviteLink
+
+	return params, nil
+}
+
+// ApproveChatJoinRequestConfig allows you to approve a chat join request.
+type ApproveChatJoinRequestConfig struct {
+	ChatConfig
+	UserID int64
+}
+
+func (ApproveChatJoinRequestConfig) method() string {
+	return "approveChatJoinRequest"
+}
+
+func (config ApproveChatJoinRequestConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("user_id", int(config.UserID))
+
+	return params, nil
+}
+
+// DeclineChatJoinRequest allows you to decline a chat join request.
+type DeclineChatJoinRequest struct {
+	ChatConfig
+	UserID int64
+}
+
+func (DeclineChatJoinRequest) method() string {
+	return "declineChatJoinRequest"
+}
+
+func (config DeclineChatJoinRequest) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("user_id", int(config.UserID))
+
+	return params, nil
+}
+
+// LeaveChatConfig allows you to leave a chat.
+type LeaveChatConfig struct {
+	ChatID          int64
+	ChannelUsername string
+}
+
+func (config LeaveChatConfig) method() string {
+	return "leaveChat"
+}
+
+func (config LeaveChatConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+
+	return params, nil
+}
+
+// ChatConfigWithUser contains information about a chat and a user.
+type ChatConfigWithUser struct {
+	ChatID             int64
+	SuperGroupUsername string
+	UserID             int64
+}
+
+func (config ChatConfigWithUser) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero64("user_id", config.UserID)
+
+	return params, nil
+}
+
+// GetChatMemberConfig is information about getting a specific member in a chat.
+type GetChatMemberConfig struct {
+	ChatConfigWithUser
+}
+
+func (GetChatMemberConfig) method() string {
+	return "getChatMember"
+}
+
+// InvoiceConfig contains information for sendInvoice request.
+type InvoiceConfig struct {
+	BaseChat
+	Title                     string         // required
+	Description               string         // required
+	Payload                   string         // required
+	ProviderToken             string         // required
+	Currency                  string         // required
+	Prices                    []LabeledPrice // required
+	MaxTipAmount              int
+	SuggestedTipAmounts       []int
+	StartParameter            string
+	ProviderData              string
+	PhotoURL                  string
+	PhotoSize                 int
+	PhotoWidth                int
+	PhotoHeight               int
+	NeedName                  bool
+	NeedPhoneNumber           bool
+	NeedEmail                 bool
+	NeedShippingAddress       bool
+	SendPhoneNumberToProvider bool
+	SendEmailToProvider       bool
+	IsFlexible                bool
+}
+
+func (config InvoiceConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params["title"] = config.Title
+	params["description"] = config.Description
+	params["payload"] = config.Payload
+	params["provider_token"] = config.ProviderToken
+	params["currency"] = config.Currency
+	if err = params.AddInterface("prices", config.Prices); err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("max_tip_amount", config.MaxTipAmount)
+	err = params.AddInterface("suggested_tip_amounts", config.SuggestedTipAmounts)
+	params.AddNonEmpty("start_parameter", config.StartParameter)
+	params.AddNonEmpty("provider_data", config.ProviderData)
+	params.AddNonEmpty("photo_url", config.PhotoURL)
+	params.AddNonZero("photo_size", config.PhotoSize)
+	params.AddNonZero("photo_width", config.PhotoWidth)
+	params.AddNonZero("photo_height", config.PhotoHeight)
+	params.AddBool("need_name", config.NeedName)
+	params.AddBool("need_phone_number", config.NeedPhoneNumber)
+	params.AddBool("need_email", config.NeedEmail)
+	params.AddBool("need_shipping_address", config.NeedShippingAddress)
+	params.AddBool("is_flexible", config.IsFlexible)
+	params.AddBool("send_phone_number_to_provider", config.SendPhoneNumberToProvider)
+	params.AddBool("send_email_to_provider", config.SendEmailToProvider)
+
+	return params, err
+}
+
+func (config InvoiceConfig) method() string {
+	return "sendInvoice"
+}
+
+// InvoiceLinkConfig contains information for createInvoiceLink method
+type InvoiceLinkConfig struct {
+	Title                     string         //Required
+	Description               string         //Required
+	Payload                   string         //Required
+	ProviderToken             string         //Required
+	Currency                  string         //Required
+	Prices                    []LabeledPrice //Required
+	MaxTipAmount              int
+	SuggestedTipAmounts       []int
+	ProviderData              string
+	PhotoURL                  string
+	PhotoSize                 int
+	PhotoWidth                int
+	PhotoHeight               int
+	NeedName                  bool
+	NeedPhoneNumber           bool
+	NeedEmail                 bool
+	NeedShippingAddress       bool
+	SendPhoneNumberToProvider bool
+	SendEmailToProvider       bool
+	IsFlexible                bool
+}
+
+func (config InvoiceLinkConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["title"] = config.Title
+	params["description"] = config.Description
+	params["payload"] = config.Payload
+	params["provider_token"] = config.ProviderToken
+	params["currency"] = config.Currency
+	if err := params.AddInterface("prices", config.Prices); err != nil {
+		return params, err
+	}
+
+	params.AddNonZero("max_tip_amount", config.MaxTipAmount)
+	err := params.AddInterface("suggested_tip_amounts", config.SuggestedTipAmounts)
+	params.AddNonEmpty("provider_data", config.ProviderData)
+	params.AddNonEmpty("photo_url", config.PhotoURL)
+	params.AddNonZero("photo_size", config.PhotoSize)
+	params.AddNonZero("photo_width", config.PhotoWidth)
+	params.AddNonZero("photo_height", config.PhotoHeight)
+	params.AddBool("need_name", config.NeedName)
+	params.AddBool("need_phone_number", config.NeedPhoneNumber)
+	params.AddBool("need_email", config.NeedEmail)
+	params.AddBool("need_shipping_address", config.NeedShippingAddress)
+	params.AddBool("send_phone_number_to_provider", config.SendPhoneNumberToProvider)
+	params.AddBool("send_email_to_provider", config.SendEmailToProvider)
+	params.AddBool("is_flexible", config.IsFlexible)
+
+	return params, err
+}
+
+func (config InvoiceLinkConfig) method() string {
+	return "createInvoiceLink"
+}
+
+// ShippingConfig contains information for answerShippingQuery request.
+type ShippingConfig struct {
+	ShippingQueryID string // required
+	OK              bool   // required
+	ShippingOptions []ShippingOption
+	ErrorMessage    string
+}
+
+func (config ShippingConfig) method() string {
+	return "answerShippingQuery"
+}
+
+func (config ShippingConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["shipping_query_id"] = config.ShippingQueryID
+	params.AddBool("ok", config.OK)
+	err := params.AddInterface("shipping_options", config.ShippingOptions)
+	params.AddNonEmpty("error_message", config.ErrorMessage)
+
+	return params, err
+}
+
+// PreCheckoutConfig contains information for answerPreCheckoutQuery request.
+type PreCheckoutConfig struct {
+	PreCheckoutQueryID string // required
+	OK                 bool   // required
+	ErrorMessage       string
+}
+
+func (config PreCheckoutConfig) method() string {
+	return "answerPreCheckoutQuery"
+}
+
+func (config PreCheckoutConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["pre_checkout_query_id"] = config.PreCheckoutQueryID
+	params.AddBool("ok", config.OK)
+	params.AddNonEmpty("error_message", config.ErrorMessage)
+
+	return params, nil
+}
+
+// DeleteMessageConfig contains information of a message in a chat to delete.
+type DeleteMessageConfig struct {
+	ChannelUsername string
+	ChatID          int64
+	MessageID       int
+}
+
+func (config DeleteMessageConfig) method() string {
+	return "deleteMessage"
+}
+
+func (config DeleteMessageConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddNonZero("message_id", config.MessageID)
+
+	return params, nil
+}
+
+// PinChatMessageConfig contains information of a message in a chat to pin.
+type PinChatMessageConfig struct {
+	ChatID              int64
+	ChannelUsername     string
+	MessageID           int
+	DisableNotification bool
+}
+
+func (config PinChatMessageConfig) method() string {
+	return "pinChatMessage"
+}
+
+func (config PinChatMessageConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddNonZero("message_id", config.MessageID)
+	params.AddBool("disable_notification", config.DisableNotification)
+
+	return params, nil
+}
+
+// UnpinChatMessageConfig contains information of a chat message to unpin.
+//
+// If MessageID is not specified, it will unpin the most recent pin.
+type UnpinChatMessageConfig struct {
+	ChatID          int64
+	ChannelUsername string
+	MessageID       int
+}
+
+func (config UnpinChatMessageConfig) method() string {
+	return "unpinChatMessage"
+}
+
+func (config UnpinChatMessageConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddNonZero("message_id", config.MessageID)
+
+	return params, nil
+}
+
+// UnpinAllChatMessagesConfig contains information of all messages to unpin in
+// a chat.
+type UnpinAllChatMessagesConfig struct {
+	ChatID          int64
+	ChannelUsername string
+}
+
+func (config UnpinAllChatMessagesConfig) method() string {
+	return "unpinAllChatMessages"
+}
+
+func (config UnpinAllChatMessagesConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+
+	return params, nil
+}
+
+// SetChatPhotoConfig allows you to set a group, supergroup, or channel's photo.
+type SetChatPhotoConfig struct {
+	BaseFile
+}
+
+func (config SetChatPhotoConfig) method() string {
+	return "setChatPhoto"
+}
+
+func (config SetChatPhotoConfig) files() []RequestFile {
+	return []RequestFile{{
+		Name: "photo",
+		Data: config.File,
+	}}
+}
+
+// DeleteChatPhotoConfig allows you to delete a group, supergroup, or channel's photo.
+type DeleteChatPhotoConfig struct {
+	ChatID          int64
+	ChannelUsername string
+}
+
+func (config DeleteChatPhotoConfig) method() string {
+	return "deleteChatPhoto"
+}
+
+func (config DeleteChatPhotoConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+
+	return params, nil
+}
+
+// SetChatTitleConfig allows you to set the title of something other than a private chat.
+type SetChatTitleConfig struct {
+	ChatID          int64
+	ChannelUsername string
+
+	Title string
+}
+
+func (config SetChatTitleConfig) method() string {
+	return "setChatTitle"
+}
+
+func (config SetChatTitleConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params["title"] = config.Title
+
+	return params, nil
+}
+
+// SetChatDescriptionConfig allows you to set the description of a supergroup or channel.
+type SetChatDescriptionConfig struct {
+	ChatID          int64
+	ChannelUsername string
+
+	Description string
+}
+
+func (config SetChatDescriptionConfig) method() string {
+	return "setChatDescription"
+}
+
+func (config SetChatDescriptionConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params["description"] = config.Description
+
+	return params, nil
+}
+
+// GetStickerSetConfig allows you to get the stickers in a set.
+type GetStickerSetConfig struct {
+	Name string
+}
+
+func (config GetStickerSetConfig) method() string {
+	return "getStickerSet"
+}
+
+func (config GetStickerSetConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["name"] = config.Name
+
+	return params, nil
+}
+
+// GetCustomEmojiStickersConfig get information about
+// custom emoji stickers by their identifiers.
+type GetCustomEmojiStickersConfig struct {
+	CustomEmojiIDs []string
+}
+
+func (config GetCustomEmojiStickersConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddInterface("custom_emoji_ids", config.CustomEmojiIDs)
+
+	return params, nil
+}
+
+func (config GetCustomEmojiStickersConfig) method() string {
+	return "getCustomEmojiStickers"
+}
+
+// UploadStickerConfig allows you to upload a sticker for use in a set later.
+type UploadStickerConfig struct {
+	UserID     int64
+	PNGSticker RequestFileData
+}
+
+func (config UploadStickerConfig) method() string {
+	return "uploadStickerFile"
+}
+
+func (config UploadStickerConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+
+	return params, nil
+}
+
+func (config UploadStickerConfig) files() []RequestFile {
+	return []RequestFile{{
+		Name: "png_sticker",
+		Data: config.PNGSticker,
+	}}
+}
+
+// NewStickerSetConfig allows creating a new sticker set.
+//
+// You must set either PNGSticker or TGSSticker.
+type NewStickerSetConfig struct {
+	UserID        int64
+	Name          string
+	Title         string
+	PNGSticker    RequestFileData
+	TGSSticker    RequestFileData
+	StickerType   string
+	Emojis        string
+	ContainsMasks bool // deprecated
+	MaskPosition  *MaskPosition
+}
+
+func (config NewStickerSetConfig) method() string {
+	return "createNewStickerSet"
+}
+
+func (config NewStickerSetConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+	params["name"] = config.Name
+	params["title"] = config.Title
+	params["emojis"] = config.Emojis
+
+	params.AddBool("contains_masks", config.ContainsMasks)
+	params.AddNonEmpty("sticker_type", string(config.StickerType))
+	err := params.AddInterface("mask_position", config.MaskPosition)
+
+	return params, err
+}
+
+func (config NewStickerSetConfig) files() []RequestFile {
+	if config.PNGSticker != nil {
+		return []RequestFile{{
+			Name: "png_sticker",
+			Data: config.PNGSticker,
+		}}
+	}
+
+	return []RequestFile{{
+		Name: "tgs_sticker",
+		Data: config.TGSSticker,
+	}}
+}
+
+// AddStickerConfig allows you to add a sticker to a set.
+type AddStickerConfig struct {
+	UserID       int64
+	Name         string
+	PNGSticker   RequestFileData
+	TGSSticker   RequestFileData
+	Emojis       string
+	MaskPosition *MaskPosition
+}
+
+func (config AddStickerConfig) method() string {
+	return "addStickerToSet"
+}
+
+func (config AddStickerConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero64("user_id", config.UserID)
+	params["name"] = config.Name
+	params["emojis"] = config.Emojis
+
+	err := params.AddInterface("mask_position", config.MaskPosition)
+
+	return params, err
+}
+
+func (config AddStickerConfig) files() []RequestFile {
+	if config.PNGSticker != nil {
+		return []RequestFile{{
+			Name: "png_sticker",
+			Data: config.PNGSticker,
+		}}
+	}
+
+	return []RequestFile{{
+		Name: "tgs_sticker",
+		Data: config.TGSSticker,
+	}}
+
+}
+
+// SetStickerPositionConfig allows you to change the position of a sticker in a set.
+type SetStickerPositionConfig struct {
+	Sticker  string
+	Position int
+}
+
+func (config SetStickerPositionConfig) method() string {
+	return "setStickerPositionInSet"
+}
+
+func (config SetStickerPositionConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["sticker"] = config.Sticker
+	params.AddNonZero("position", config.Position)
+
+	return params, nil
+}
+
+// DeleteStickerConfig allows you to delete a sticker from a set.
+type DeleteStickerConfig struct {
+	Sticker string
+}
+
+func (config DeleteStickerConfig) method() string {
+	return "deleteStickerFromSet"
+}
+
+func (config DeleteStickerConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["sticker"] = config.Sticker
+
+	return params, nil
+}
+
+// SetStickerSetThumbConfig allows you to set the thumbnail for a sticker set.
+type SetStickerSetThumbConfig struct {
+	Name   string
+	UserID int64
+	Thumb  RequestFileData
+}
+
+func (config SetStickerSetThumbConfig) method() string {
+	return "setStickerSetThumb"
+}
+
+func (config SetStickerSetThumbConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["name"] = config.Name
+	params.AddNonZero64("user_id", config.UserID)
+
+	return params, nil
+}
+
+func (config SetStickerSetThumbConfig) files() []RequestFile {
+	return []RequestFile{{
+		Name: "thumb",
+		Data: config.Thumb,
+	}}
+}
+
+// SetChatStickerSetConfig allows you to set the sticker set for a supergroup.
+type SetChatStickerSetConfig struct {
+	ChatID             int64
+	SuperGroupUsername string
+
+	StickerSetName string
+}
+
+func (config SetChatStickerSetConfig) method() string {
+	return "setChatStickerSet"
+}
+
+func (config SetChatStickerSetConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params["sticker_set_name"] = config.StickerSetName
+
+	return params, nil
+}
+
+// DeleteChatStickerSetConfig allows you to remove a supergroup's sticker set.
+type DeleteChatStickerSetConfig struct {
+	ChatID             int64
+	SuperGroupUsername string
+}
+
+func (config DeleteChatStickerSetConfig) method() string {
+	return "deleteChatStickerSet"
+}
+
+func (config DeleteChatStickerSetConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+
+	return params, nil
+}
+
+// GetForumTopicIconStickersConfig allows you to get custom emoji stickers,
+// which can be used as a forum topic icon by any user.
+type GetForumTopicIconStickersConfig struct{}
+
+func (config GetForumTopicIconStickersConfig) method() string {
+	return "getForumTopicIconStickers"
+}
+
+func (config GetForumTopicIconStickersConfig) params() (Params, error) {
+	return nil, nil
+}
+
+// BaseForum is a base type for all forum config types.
+type BaseForum struct {
+	ChatID             int64
+	SuperGroupUsername string
+}
+
+func (config BaseForum) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+
+	return params, nil
+}
+
+// CreateForumTopicConfig allows you to create a topic
+// in a forum supergroup chat.
+type CreateForumTopicConfig struct {
+	BaseForum
+	Name              string
+	IconColor         int
+	IconCustomEmojiID string
+}
+
+func (config CreateForumTopicConfig) method() string {
+	return "createForumTopic"
+}
+
+func (config CreateForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonEmpty("name", config.Name)
+	params.AddNonZero("icon_color", config.IconColor)
+	params.AddNonEmpty("icon_custom_emoji_id", config.IconCustomEmojiID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// EditForumTopicConfig allows you to edit
+// name and icon of a topic in a forum supergroup chat.
+type EditForumTopicConfig struct {
+	BaseForum
+	MessageThreadID   int
+	Name              string
+	IconCustomEmojiID string
+}
+
+func (config EditForumTopicConfig) method() string {
+	return "editForumTopic"
+}
+
+func (config EditForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+	params.AddNonEmpty("name", config.Name)
+	params.AddNonEmpty("icon_custom_emoji_id", config.IconCustomEmojiID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// CloseForumTopicConfig allows you to close
+// an open topic in a forum supergroup chat.
+type CloseForumTopicConfig struct {
+	BaseForum
+	MessageThreadID int
+}
+
+func (config CloseForumTopicConfig) method() string {
+	return "closeForumTopic"
+}
+
+func (config CloseForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// ReopenForumTopicConfig allows you to reopen
+// an closed topic in a forum supergroup chat.
+type ReopenForumTopicConfig struct {
+	BaseForum
+	MessageThreadID int
+}
+
+func (config ReopenForumTopicConfig) method() string {
+	return "reopenForumTopic"
+}
+
+func (config ReopenForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// DeleteForumTopicConfig allows you to delete a forum topic
+// along with all its messages in a forum supergroup chat.
+type DeleteForumTopicConfig struct {
+	BaseForum
+	MessageThreadID int
+}
+
+func (config DeleteForumTopicConfig) method() string {
+	return "deleteForumTopic"
+}
+
+func (config DeleteForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// UnpinAllForumTopicMessagesConfig allows you to clear the list
+// of pinned messages in a forum topic.
+type UnpinAllForumTopicMessagesConfig struct {
+	BaseForum
+	MessageThreadID int
+}
+
+func (config UnpinAllForumTopicMessagesConfig) method() string {
+	return "unpinAllForumTopicMessages"
+}
+
+func (config UnpinAllForumTopicMessagesConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
+	params.AddNonZero("message_thread_id", config.MessageThreadID)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// UnpinAllForumTopicMessagesConfig allows you to edit the name of
+// the 'General' topic in a forum supergroup chat.
+// The bot must be an administrator in the chat for this to work
+// and must have can_manage_topics administrator rights. Returns True on success.
+type EditGeneralForumTopicConfig struct {
+	BaseForum
+	Name string
+}
+
+func (config EditGeneralForumTopicConfig) method() string {
+	return "editGeneralForumTopic"
+}
+
+func (config EditGeneralForumTopicConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddNonEmpty("name", config.Name)
+
+	p1, _ := config.BaseForum.params()
+	params.Merge(p1)
+
+	return params, nil
+}
+
+// CloseGeneralForumTopicConfig allows you to to close an open 'General' topic
+// in a forum supergroup chat. The bot must be an administrator in the chat
+// for this to work and must have the can_manage_topics administrator rights.
+// Returns True on success.
+type CloseGeneralForumTopicConfig struct{ BaseForum }
+
+func (config CloseGeneralForumTopicConfig) method() string {
+	return "closeGeneralForumTopic"
+}
+
+// CloseGeneralForumTopicConfig allows you to reopen a closed 'General' topic
+// in a forum supergroup chat. The bot must be an administrator in the chat
+// for this to work and must have the can_manage_topics administrator rights.
+// The topic will be automatically unhidden if it was hidden.
+// Returns True on success.
+type ReopenGeneralForumTopicConfig struct{ BaseForum }
+
+func (config ReopenGeneralForumTopicConfig) method() string {
+	return "reopenGeneralForumTopic"
+}
+
+// HideGeneralForumTopicConfig allows you to hide the 'General' topic
+// in a forum supergroup chat. The bot must be an administrator in the chat
+// for this to work and must have the can_manage_topics administrator rights.
+// The topic will be automatically closed if it was open.
+// Returns True on success.
+type HideGeneralForumTopicConfig struct{ BaseForum }
+
+func (config HideGeneralForumTopicConfig) method() string {
+	return "hideGeneralForumTopic"
+}
+
+// UnhideGeneralForumTopicConfig allows you to unhide the 'General' topic
+// in a forum supergroup chat. The bot must be an administrator in the chat
+// for this to work and must have the can_manage_topics administrator rights.
+// Returns True on success.
+type UnhideGeneralForumTopicConfig struct{ BaseForum }
+
+func (config UnhideGeneralForumTopicConfig) method() string {
+	return "unhideGeneralForumTopic"
+}
+
+// MediaGroupConfig allows you to send a group of media.
+//
+// Media consist of InputMedia items (InputMediaPhoto, InputMediaVideo).
+type MediaGroupConfig struct {
+	BaseChat
+	Media []interface{}
+}
+
+func (config MediaGroupConfig) method() string {
+	return "sendMediaGroup"
+}
+
+func (config MediaGroupConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return nil, err
+	}
+
+	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+	params.AddBool("disable_notification", config.DisableNotification)
+	params.AddNonZero("reply_to_message_id", config.ReplyToMessageID)
+
+	err = params.AddInterface("media", prepareInputMediaForParams(config.Media))
+
+	return params, err
+}
+
+func (config MediaGroupConfig) files() []RequestFile {
+	return prepareInputMediaForFiles(config.Media)
+}
+
+// DiceConfig contains information about a sendDice request.
+type DiceConfig struct {
+	BaseChat
+	// Emoji on which the dice throw animation is based.
+	// Currently, must be one of 🎲, 🎯, 🏀, ⚽, 🎳, or 🎰.
+	// Dice can have values 1-6 for 🎲, 🎯, and 🎳, values 1-5 for 🏀 and ⚽,
+	// and values 1-64 for 🎰.
+	// Defaults to “🎲”
+	Emoji string
+}
+
+func (config DiceConfig) method() string {
+	return "sendDice"
+}
+
+func (config DiceConfig) params() (Params, error) {
+	params, err := config.BaseChat.params()
+	if err != nil {
+		return params, err
+	}
+
+	params.AddNonEmpty("emoji", config.Emoji)
+
+	return params, err
+}
+
+// GetMyCommandsConfig gets a list of the currently registered commands.
+type GetMyCommandsConfig struct {
+	Scope        *BotCommandScope
+	LanguageCode string
+}
+
+func (config GetMyCommandsConfig) method() string {
+	return "getMyCommands"
+}
+
+func (config GetMyCommandsConfig) params() (Params, error) {
+	params := make(Params)
+
+	err := params.AddInterface("scope", config.Scope)
+	params.AddNonEmpty("language_code", config.LanguageCode)
+
+	return params, err
+}
+
+// SetMyCommandsConfig sets a list of commands the bot understands.
+type SetMyCommandsConfig struct {
+	Commands     []BotCommand
+	Scope        *BotCommandScope
+	LanguageCode string
+}
+
+func (config SetMyCommandsConfig) method() string {
+	return "setMyCommands"
+}
+
+func (config SetMyCommandsConfig) params() (Params, error) {
+	params := make(Params)
+
+	if err := params.AddInterface("commands", config.Commands); err != nil {
+		return params, err
+	}
+	err := params.AddInterface("scope", config.Scope)
+	params.AddNonEmpty("language_code", config.LanguageCode)
+
+	return params, err
+}
+
+type DeleteMyCommandsConfig struct {
+	Scope        *BotCommandScope
+	LanguageCode string
+}
+
+func (config DeleteMyCommandsConfig) method() string {
+	return "deleteMyCommands"
+}
+
+func (config DeleteMyCommandsConfig) params() (Params, error) {
+	params := make(Params)
+
+	err := params.AddInterface("scope", config.Scope)
+	params.AddNonEmpty("language_code", config.LanguageCode)
+
+	return params, err
+}
+
+// SetChatMenuButtonConfig changes the bot's menu button in a private chat,
+// or the default menu button.
+type SetChatMenuButtonConfig struct {
+	ChatID          int64
+	ChannelUsername string
+
+	MenuButton *MenuButton
+}
+
+func (config SetChatMenuButtonConfig) method() string {
+	return "setChatMenuButton"
+}
+
+func (config SetChatMenuButtonConfig) params() (Params, error) {
+	params := make(Params)
+
+	if err := params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername); err != nil {
+		return params, err
+	}
+	err := params.AddInterface("menu_button", config.MenuButton)
+
+	return params, err
+}
+
+type GetChatMenuButtonConfig struct {
+	ChatID          int64
+	ChannelUsername string
+}
+
+func (config GetChatMenuButtonConfig) method() string {
+	return "getChatMenuButton"
+}
+
+func (config GetChatMenuButtonConfig) params() (Params, error) {
+	params := make(Params)
+
+	err := params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
+
+	return params, err
+}
+
+type SetMyDefaultAdministratorRightsConfig struct {
+	Rights      ChatAdministratorRights
+	ForChannels bool
+}
+
+func (config SetMyDefaultAdministratorRightsConfig) method() string {
+	return "setMyDefaultAdministratorRights"
+}
+
+func (config SetMyDefaultAdministratorRightsConfig) params() (Params, error) {
+	params := make(Params)
+
+	err := params.AddInterface("rights", config.Rights)
+	params.AddBool("for_channels", config.ForChannels)
+
+	return params, err
+}
+
+type GetMyDefaultAdministratorRightsConfig struct {
+	ForChannels bool
+}
+
+func (config GetMyDefaultAdministratorRightsConfig) method() string {
+	return "getMyDefaultAdministratorRights"
+}
+
+func (config GetMyDefaultAdministratorRightsConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddBool("for_channels", config.ForChannels)
+
+	return params, nil
+}
+
+// prepareInputMediaParam evaluates a single InputMedia and determines if it
+// needs to be modified for a successful upload. If it returns nil, then the
+// value does not need to be included in the params. Otherwise, it will return
+// the same type as was originally provided.
+//
+// The idx is used to calculate the file field name. If you only have a single
+// file, 0 may be used. It is formatted into "attach://file-%d" for the primary
+// media and "attach://file-%d-thumb" for thumbnails.
+//
+// It is expected to be used in conjunction with prepareInputMediaFile.
+func prepareInputMediaParam(inputMedia interface{}, idx int) interface{} {
+	switch m := inputMedia.(type) {
+	case InputMediaPhoto:
+		if m.Media.NeedsUpload() {
+			m.Media = fileAttach(fmt.Sprintf("attach://file-%d", idx))
+		}
+
+		return m
+	case InputMediaVideo:
+		if m.Media.NeedsUpload() {
+			m.Media = fileAttach(fmt.Sprintf("attach://file-%d", idx))
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			m.Thumb = fileAttach(fmt.Sprintf("attach://file-%d-thumb", idx))
+		}
+
+		return m
+	case InputMediaAudio:
+		if m.Media.NeedsUpload() {
+			m.Media = fileAttach(fmt.Sprintf("attach://file-%d", idx))
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			m.Thumb = fileAttach(fmt.Sprintf("attach://file-%d-thumb", idx))
+		}
+
+		return m
+	case InputMediaDocument:
+		if m.Media.NeedsUpload() {
+			m.Media = fileAttach(fmt.Sprintf("attach://file-%d", idx))
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			m.Thumb = fileAttach(fmt.Sprintf("attach://file-%d-thumb", idx))
+		}
+
+		return m
+	}
+
+	return nil
+}
+
+// prepareInputMediaFile generates an array of RequestFile to provide for
+// Fileable's files method. It returns an array as a single InputMedia may have
+// multiple files, for the primary media and a thumbnail.
+//
+// The idx parameter is used to generate file field names. It uses the names
+// "file-%d" for the main file and "file-%d-thumb" for the thumbnail.
+//
+// It is expected to be used in conjunction with prepareInputMediaParam.
+func prepareInputMediaFile(inputMedia interface{}, idx int) []RequestFile {
+	files := []RequestFile{}
+
+	switch m := inputMedia.(type) {
+	case InputMediaPhoto:
+		if m.Media.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Media,
+			})
+		}
+	case InputMediaVideo:
+		if m.Media.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Media,
+			})
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Thumb,
+			})
+		}
+	case InputMediaDocument:
+		if m.Media.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Media,
+			})
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Thumb,
+			})
+		}
+	case InputMediaAudio:
+		if m.Media.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Media,
+			})
+		}
+
+		if m.Thumb != nil && m.Thumb.NeedsUpload() {
+			files = append(files, RequestFile{
+				Name: fmt.Sprintf("file-%d", idx),
+				Data: m.Thumb,
+			})
+		}
+	}
+
+	return files
+}
+
+// prepareInputMediaForParams calls prepareInputMediaParam for each item
+// provided and returns a new array with the correct params for a request.
+//
+// It is expected that files will get data from the associated function,
+// prepareInputMediaForFiles.
+func prepareInputMediaForParams(inputMedia []interface{}) []interface{} {
+	newMedia := make([]interface{}, len(inputMedia))
+	copy(newMedia, inputMedia)
+
+	for idx, media := range inputMedia {
+		if param := prepareInputMediaParam(media, idx); param != nil {
+			newMedia[idx] = param
+		}
+	}
+
+	return newMedia
+}
+
+// prepareInputMediaForFiles calls prepareInputMediaFile for each item
+// provided and returns a new array with the correct files for a request.
+//
+// It is expected that params will get data from the associated function,
+// prepareInputMediaForParams.
+func prepareInputMediaForFiles(inputMedia []interface{}) []RequestFile {
+	files := []RequestFile{}
+
+	for idx, media := range inputMedia {
+		if file := prepareInputMediaFile(media, idx); file != nil {
+			files = append(files, file...)
+		}
+	}
+
+	return files
+}