• find_by_name
• find_by_tid
• reset

find_by_name

    $class->find_by_name( $name );
    $class->find_by_name( $name, \%crits );

crits: active status_min

returns arrayref of aliases

find_by_tid

    $class->fins_by_tid( $tid );

returns hashref with alias => object pairs

reset

Returns the cleaned alias if still existing.

Returns undef if this alias has been deleted.