wp-includes/class-wp-comment.php:476Sets the 'populated_children' flag.
$setbool public function populated_children( $set ): void { $this->populated_children = (bool) $set; }Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-comment.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.