How does \Magento\Sales\Model\Order\Payment::_void() work?

[dmitrii_fediuk]

Context:

• How is \Magento\Sales\Model\Order\Payment::_void() implemented and used?
• How is a payment authorization voiding implemented?

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1057-L1070

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1073-L1073

Details: How does the \Magento\Sales\Model\Order\Payment::getAuthorizationTransaction() work and used?

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1074-L1076

Details: How is \Magento\Sales\Model\Order\Payment::setTransactionId() implemented and used?

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment/Transaction/ManagerInterface.php#L37-L46

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment/Transaction/Manager.php#L62-L81

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1077-L1077

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L2395-L2405

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1079-L1087

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1351-L1362

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment/Transaction/ManagerInterface.php#L27-L35

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment/Transaction/Manager.php#L49-L60

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https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1089-L1102

https://github.com/magento/magento2/blob/8fd3e8/app/code/Magento/Sales/Model/Order/Payment.php#L1104-L1114

Details: How is \Magento\Sales\Model\Order\Payment::addTransaction() implemented and used?