function effect_in_unowned_derived() {
	if (DEV) {
		const error = new Error(`effect_in_unowned_derived\nEffect cannot be created inside a \`$derived\` value that was not itself created inside an effect\nhttps://svelte.dev/e/effect_in_unowned_derived`);

		error.name = 'Svelte error';
		throw error;
	} else {
		throw new Error(`https://svelte.dev/e/effect_in_unowned_derived`);
	}
}
Effect cannot be created inside a `$derived` value that was not itself created inside an effect
@returns {never}