src/vs/workbench/services/environment/browser/environmentService.ts/BrowserWorkbenchEnvironmentService/logLevel
class BrowserWorkbenchEnvironmentService:	get logLevel(): string | undefined {
		const logLevelFromPayload = this.payload?.get('logLevel');
		if (logLevelFromPayload) {
			return logLevelFromPayload.split(',').find(entry => !EXTENSION_IDENTIFIER_WITH_LOG_REGEX.test(entry));
		}
		return this.options.developmentOptions?.logLevel !== undefined ? LogLevelToString(this.options.developmentOptions?.logLevel) : undefined;
	}