public static function splitStrictClassPath(
        $strictClassPath = '')
    {
        // Split on the rightmost backslash. In a strict path there's always at
        // least one backslash, for the leading "global namespace" backslash.
        $lastDelimPos = strrpos($strictClassPath, '\\');
        // Global: "". Other: "\Foo" or "\Foo\Bar" (if nested namespaces).
        $namespace = substr($strictClassPath, 0, $lastDelimPos);
        // Always: "TheClass".
        $class = substr($strictClassPath, $lastDelimPos + 1);

        return [
            'namespace' => $namespace,
            'class'     => $class,
        ];
    }