src/vs/workbench/services/configuration/browser/configuration.ts/DefaultConfiguration/initialize
class DefaultConfiguration:	async initialize(): Promise<ConfigurationModel> {
		await this.initializeCachedConfigurationDefaultsOverrides();
		this._configurationModel = undefined;
		this._register(this.configurationRegistry.onDidUpdateConfiguration(({ properties, defaultsOverrides }) => this.onDidUpdateConfiguration(properties, defaultsOverrides)));
		return this.configurationModel;
	}