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notificationQueueSize

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Size of this client's event base notification queue

public function notificationQueueSize(): int;

Value is collected at the end of the operation.

Returns​

  • int - A int representing the size of notification queue of this MySQL client's IO Thread.