src/vs/workbench/services/configuration/browser/configurationService.ts/WorkspaceService/getTargetConfiguration
class WorkspaceService:	private getTargetConfiguration(target: ConfigurationTarget): any {
		switch (target) {
			case ConfigurationTarget.DEFAULT:
				return this._configuration.defaults.contents;
			case ConfigurationTarget.USER:
				return this._configuration.userConfiguration.contents;
			case ConfigurationTarget.WORKSPACE:
				return this._configuration.workspaceConfiguration.contents;
		}
		return {};
	}