$mech->progress_listener( $source, %callbacks )

##</code><code>##

$mech->get( $url, %options )

##</code><code>##

my $blue = Imager::Color->new( 0, 0, 255 );

##</code><code>##

my $blue = Imager::Color->new( r => 255, g => 0, b => 0 );