Which Keyword Can Be Used To Fix The Following Php Errorp Pre #367

Which keyword can be used to fix the following PHP error?</p> <pre><code class="language-php"> namespace main; com\getinstance\util\Debug::helloWorld() PHP Fatal error: Class 'main\com\getinstance\util\Debug' not found in ...</code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs107 PHP: Hypertext Preprocessor. It can also be found in gs gs107 PHP Object Tools and Design - PHP Object Tools - Quiz No.1.

 namespace main; com\getinstance\util\Debug::helloWorld() PHP Fatal error: Class 'main\com\getinstance\util\Debug' not found in ...