Download perfectwebteam / craft-mailchimp-transactional / MailchimpTransactionalTransport.php - Solve class 'MailchimpTransactionalTransport' not found

This file is part of the package perfectwebteam/craft-mailchimp-transactional. Please go to our download page to download this composer package and to solve the problem class 'MailchimpTransactionalTransport' not found.
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