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fb_get_last_flush_size

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.

Get stats on flushing the last data chunk from server

function fb_get_last_flush_size(): int;

Returns​

  • int - - Total number of bytes flushed since last flush