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fillBufferAsync

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.

private function fillBufferAsync(
  ?int $desired_bytes,
  ?int $timeout_ns,
): Awaitable<void>;

Parameters​

  • ?int $desired_bytes
  • ?int $timeout_ns

Returns​