Constructor: keyboardButtonCopy
Attributes:
Type: KeyboardButton
Example:
$keyboardButtonCopy = ['_' => 'keyboardButtonCopy', 'text' => 'string', 'copy_text' => 'string'];
$keyboardButtonCopy = ['_' => 'keyboardButtonCopy', 'text' => 'string', 'copy_text' => 'string'];