outgoing.go
func NewInlineQueryResultPhoto(id, photoURL, thumbURL string) *InlineQueryResultPhoto {
	return &InlineQueryResultPhoto{
		InlineQueryResultBase: InlineQueryResultBase{
			Type: PhotoResult,
			ID:   id,
		},
		PhotoURL: photoURL,
		ThumbURL: thumbURL,
	}
}
func NewInlineQueryResultPhoto(id, photoURL, thumbURL string) *InlineQueryResultPhoto {
	return &InlineQueryResultPhoto{
		InlineQueryResultBase: InlineQueryResultBase{
			Type: PhotoResult,
			ID:   id,
		},
		PhotoURL: photoURL,
		ThumbURL: thumbURL,
	}
}
// NewInlineQueryResultPhoto returns a new InlineQueryResultPhoto with all
// mandatory fields set.