src/vs/platform/configuration/common/configuration.ts/getDefaultValues
export function getDefaultValues(): any {
	const valueTreeRoot: any = Object.create(null);
	const properties = Registry.as<IConfigurationRegistry>(Extensions.Configuration).getConfigurationProperties();

	for (let key in properties) {
		let value = properties[key].default;
		addToValueTree(valueTreeRoot, key, value, message => console.error(`Conflict in default settings: ${message}`));
	}

	return valueTreeRoot;
}