toValue method
Implementation
String toValue() {
switch (this) {
case FolderName.inbox:
return 'INBOX';
case FolderName.deletedItems:
return 'DELETED_ITEMS';
case FolderName.sentItems:
return 'SENT_ITEMS';
case FolderName.drafts:
return 'DRAFTS';
case FolderName.junkEmail:
return 'JUNK_EMAIL';
}
}