src/vs/workbench/contrib/logs/common/logLevelService.ts/LogLevelService/setLogLevel
class LogLevelService:	setLogLevel(id: string, logLevel: LogLevel): boolean {
		if (this.getLogLevel(id) === logLevel) {
			return false;
		}

		this.logLevels.set(id, logLevel);
		const channel = this.outputService.getChannelDescriptor(id);
		const resource = channel?.log ? channel.file : undefined;
		if (resource) {
			this.loggerService.setLevel(resource, logLevel);
		}
		this._onDidChangeLogLevel.fire({ id, logLevel });
		return true;
	}