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my %functions = (
  function1 => {arglist1 => ["arg1", { arg2 => val2 }],
...
        &{"harcommon::$func"}(@{$argsList->{$key}});
    }
}

my %functions = (
  function1 => [["arg1", { arg2 => val2 }],
...
        &{"harcommon::$func"}(@$args);
    }
}