* Get a symbol argument * * @param name of the argument * * @return ref to symbol name, or Nothing if not found */

* Get the thread-id for this message. This is the message-id of the * oldest-known (grand) parent, or the message-id of this message if * none.

* Get the output as a string, either something like, either a lisp form * or a the full path to a temp file containing the same. * * @return lis

base case.

* Delete document(s) for the given term or id * * @param term a term * * @return Ok or Error */

* Get a description of the Xapian database * * @return description */

* Get the message-field for the given name or shortcut * * @param name_or_shortcut * * @return the message-field or Nothing */

* Get the corresponding Field::Id (if any) * for this contact. * * @return the field-id or Nothing. */

* Find the argument with the given name. * * @param arg name * * @return iterator point at the argument, or cend */

* Filter out any flags which are _not_ Maildir / Mailfile flags * * @param flags flags * * @return filtered flags */

* Get the MimeMessage for this MimeMessagePart. * * @return the MimeMessage or Nothing */

* 'unread' is a pseudo-flag that means 'new or not seen' * * @param flags * * @return flags with unread added or removed. */

* Import configurable settings to some other MetadataIface * * @param target some other metadata interface */

* Get metadata for given key, empty if not found * * @param name key name * * @return string */

* Replace document in database * * @param term unique term * @param id docid * @param doc replacement document * * @return new docid or an

* Explicitly request the Xapian DB to be committed to disk * * @param force whether to force-commit */

* Shell-quote the given string (as per g_shell_quote()) * * @param str some string * * @return quoted string */

* get the list of tags (ie., X-Label) * * @return a list with the tags for this msg. Don't modify/free */

* Add a new document to the database * * @param doc a document (message) * * @return new docid or 0 */

* Remove a label occurrence from the cache * * Removes the label completely if this was the _last_ occurence. * * @param label some label */

* Get the end iterator to the results. * * @return iterator */

* Gets the filename for this mime part if it exists, or nullopt * otherwise. * * @return string or nullopt */

* Fill a GError with the error information * * @param err GError** (or NULL) */

* Calculate the flags from either 'absolute' or 'delta' expressions * * @param expr a flag expression, either 'delta' or 'absolute' * @param flags

* Find the property value for some property by name * * @param p property name * * @return the property if found, or nothing */

simplistic guess of first & last names, for setting some initial value.

* Is this is a 'soft error'? * * @return true or false */