src/vs/platform/configuration/common/configurationService.ts/ConfigurationService/initialize
class ConfigurationService:	async initialize(): Promise<void> {
		const [defaultModel, policyModel, userModel] = await Promise.all([this.defaultConfiguration.initialize(), this.policyConfiguration.initialize(), this.userConfiguration.loadConfiguration()]);
		this.configuration = new Configuration(defaultModel, policyModel, new ConfigurationModel(), userModel);
	}