Swift_Mime_CharsetObserver | --Swift_Encoder | --Swift_Mime_HeaderEncoder
Located in File: /vendors/swiftMailer/classes/Swift/Mime/HeaderEncoder.php
Method getName (line 26)
Swift_Encoder::encodeString() - Encode a given string to produce an encoded string.
Swift_Mime_CharsetObserver::charsetChanged() - Notify this observer that the entity's charset has changed.