Parameter checking Perl

use MooseX::Params::Validate;
use MooseX::Types::Moose qw{ ArrayRef Int };
use MooseX::Types::Structured qw{ Dict };
use MooseX::Types::Common::Numeric qw{ PositiveInt PositiveOrZeroInt };
use MooseX::Types::Common::String qw{ NonEmptyStr };

sub some_method {
    my ($self, $channel_id, $some_array_of_structs) = validated_list(
        \@_,
        channel_id   => { isa => PositiveInt },
        channel_name => { isa => NonEmptyStr },
        some_array_of_structs => {
            isa => ArrayRef[ Dict[
                some_id    => PositiveInt,
                quantity   => PositiveOrZeroInt,
                cruciality => Int
            ] ]
        }
    );
    # ...
}