function state_unsafe_mutation() {
	if (DEV) {
		const error = new Error(`state_unsafe_mutation\nUpdating state inside a derived or a template expression is forbidden. If the value should not be reactive, declare it without \`$state\`\nhttps://svelte.dev/e/state_unsafe_mutation`);

		error.name = 'Svelte error';
		throw error;
	} else {
		throw new Error(`https://svelte.dev/e/state_unsafe_mutation`);
	}
}
Updating state inside a derived or a template expression is forbidden. If the value should not be reactive, declare it without `$state`
@returns {never}