src/vs/workbench/services/environment/browser/environmentService.ts/BrowserWorkbenchEnvironmentService/extensionLogLevel
class BrowserWorkbenchEnvironmentService:	get extensionLogLevel(): [string, string][] | undefined {
		const logLevelFromPayload = this.payload?.get('logLevel');
		if (logLevelFromPayload) {
			const result: [string, string][] = [];
			for (const entry of logLevelFromPayload.split(',')) {
				const matches = EXTENSION_IDENTIFIER_WITH_LOG_REGEX.exec(entry);
				if (matches && matches[1] && matches[2]) {
					result.push([matches[1], matches[2]]);
				}
			}
			return result.length ? result : undefined;
		}
		return this.options.developmentOptions?.extensionLogLevel !== undefined ? this.options.developmentOptions?.extensionLogLevel.map(([extension, logLevel]) => ([extension, LogLevelToString(logLevel)])) : undefined;
	}