package Limit::Traits;

use Class::Traits 'base';

use POSIX ':limits_h';            # These aren't trait methods
sub _internal;
use Class::Traits 'export_below'; # or 'export_all' or ...
use Trait::Builder qw( ... );     # These are trait methods

# These, are trait methods:
sub foo { ... }
sub bar { ... }
sub _internal { ... }    # Not a trait method