function state_descriptors_fixed() {
	if (DEV) {
		const error = new Error(`state_descriptors_fixed\nProperty descriptors defined on \`$state\` objects must contain \`value\` and always be \`enumerable\`, \`configurable\` and \`writable\`.\nhttps://svelte.dev/e/state_descriptors_fixed`);

		error.name = 'Svelte error';
		throw error;
	} else {
		throw new Error(`https://svelte.dev/e/state_descriptors_fixed`);
	}
}
Property descriptors defined on `$state` objects must contain `value` and always be `enumerable`, `configurable` and `writable`.
@returns {never}