Object Hierarchy

    GObject
    ├── EMailExtensionRegistry
       ├── EMailFormatterExtensionRegistry
       ╰── EMailParserExtensionRegistry
    ├── EMailFormatterExtension
       ├── EMailFormatterPrintExtension
       ╰── EMailFormatterQuoteExtension
    ├── EMailFormatter
       ├── EMailFormatterPrint
       ╰── EMailFormatterQuote
    ├── CamelMimeFilter
       ├── EMailInlineFilter
       ╰── EMailStripSigFilter
    ├── EMailParserExtension
    ├── EMailParser
    ├── EMailPart
       ├── EMailPartAttachmentBar
       ├── EMailPartAttachment
       ├── EMailPartHeaders
       ╰── EMailPartImage
    ╰── EMailPartList