package MyImmutableClass;
use Moose;
use Moose::Util::TypeConstraints;
# Define an immutable class
use MooseX::Immutable;
has 'name' => ( is => 'ro', required => 1 );
has 'age' => ( is => 'ro', required => 1 );
# Usage
my $instance = MyImmutableClass->new( name => 'John', age => 30 );
# Attempting to modify an attribute will cause an error
# $instance->name('Doe'); # This line will throw a runtime error
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