wp-includes/php-ai-client/src/Common/AbstractEnum.php:333Returns string representation of the enum.
string final public function __toString(): string { return $this->value; }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Common/AbstractEnum.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.