wp-includes/php-ai-client/src/Providers/DTO/ProviderMetadata.php:164Gets the authentication method.
WordPress\AiClient\Providers\Http\Enums\RequestAuthenticationMethod|null public function getAuthenticationMethod(): ?RequestAuthenticationMethod { return $this->authenticationMethod; }Introduced in 0.4.0. 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/Providers/DTO/ProviderMetadata.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.