wp-includes/php-ai-client/src/Files/ValueObjects/MimeType.php:134Creates a MimeType from a file extension.
$extensionstringself public static function fromExtension(string $extension): self { $extension = strtolower($extension); if (!isset(self::$extensionMap[$extension])) { throw new InvalidArgumentException(sprintf('Unknown file extension: %s', $extension)); } return new self(self::$extensionMap[$extension]); }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/Files/ValueObjects/MimeType.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.