src/vs/workbench/api/browser/mainThreadConfiguration.ts/MainThreadConfiguration/_getConfigurationData
class MainThreadConfiguration:	private _getConfigurationData(): IConfigurationInitData {
		const configurationData: IConfigurationInitData = { ...(this.configurationService.getConfigurationData()!), configurationScopes: [] };
		// Send configurations scopes only in development mode.
		if (!this._environmentService.isBuilt || this._environmentService.isExtensionDevelopment) {
			configurationData.configurationScopes = getScopes();
		}
		return configurationData;
	}