* @method int getUserId() Identifier of the shared user. This number may have more than 32 significant bits and some programming languages may have difficulty/silent defects in interpreting it. But it has at most 52 significant bits, so 64-bit integers or double-precision float types are safe for storing this identifier. The bot may not have access to the user and could be unable to use this identifier, unless the user is already known to the bot by some other means.
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* @method string getFirstName() Optional. First name of the user, if the name was requested by the bot
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* @method string getLastName() Optional. Last name of the user, if the name was requested by the bot
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* @method string getUsername() Optional. Username of the user, if the username was requested by the bot
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* @method PhotoSize[] getPhoto() Optional. Available sizes of the user photo, if the photo was requested by the bot