## Hierarchy For Package com.google.appengine.api.mail

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - com.google.appengine.api.mail.MailService.Attachment
  - com.google.appengine.api.mail.MailService.Header
  - com.google.appengine.api.mail.MailService.Message
  - com.google.appengine.api.mail.MailServiceFactory

## Interface Hierarchy

- com.google.appengine.api.mail.MailService