* Use this method to get up to date information about the chat (current name of the user for one-on-one conversations, current username of a user, group or channel, etc.). Returns a Chat object on success.
* If you sent an invoice requesting a shipping address and the parameter is_flexible was specified, the Bot API will send an Update with a shipping_query field to the bot.
* Use this method to respond to pre-checkout queries.
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* Once the user has confirmed their payment and shipping details, the Bot API sends the final confirmation in the form of an Update with the field pre_checkout_query.
* On success, True is returned.
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* Note: The Bot API must receive an answer within 10 seconds after the pre-checkout query was sent.