* @retval NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory.
*
* @retval NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the
* @retval NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory.
*
* @retval NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the
* @retval NOTMUCH_STATUS_SUCCESS: Successfully loaded configuration.
*
* @retval NOTMUCH_STATUS_NO_CONFIG: No config file was loaded. Not fatal.
* @retval NOTMUCH_STATUS_SUCCESS: Successfully loaded configuration.
*
* @retval NOTMUCH_STATUS_NO_CONFIG: No config file was loaded. Not fatal.
* @retval NOTMUCH_STATUS_SUCCESS: Successfully created the database.
*
* @retval NOTMUCH_STATUS_DATABASE_EXISTS: Database already exists, not created
* @retval NOTMUCH_STATUS_SUCCESS: Successfully created the database.
*
* @retval NOTMUCH_STATUS_DATABASE_EXISTS: Database already exists, not created
NOTMUCH_CONFIG_OTHER_EMAIL,
NOTMUCH_CONFIG_USER_NAME,
NOTMUCH_CONFIG_AUTOCOMMIT,
NOTMUCH_CONFIG_OTHER_EMAIL,
NOTMUCH_CONFIG_USER_NAME,
NOTMUCH_CONFIG_AUTOCOMMIT,