set_mem_threshold_callback
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.
namespace HH;
function set_mem_threshold_callback(
int $threshold,
mixed $callback,
): void;
Parameters
int $thresholdmixed $callback
Returns
void