src/vs/platform/configuration/common/configurationModels.ts/DefaultConfigurationModel/constructor
class DefaultConfigurationModel:	constructor() {
		const contents = getDefaultValues();
		const keys = getConfigurationKeys();
		const overrides: IOverrides[] = [];
		for (const key of Object.keys(contents)) {
			if (OVERRIDE_PROPERTY_PATTERN.test(key)) {
				overrides.push({
					identifiers: [overrideIdentifierFromKey(key).trim()],
					keys: Object.keys(contents[key]),
					contents: toValuesTree(contents[key], message => console.error(`Conflict in default settings file: ${message}`)),
				});
			}
		}
		super(contents, keys, overrides);
	}