src/vs/platform/log/common/logIpc.ts/Logger/log
class Logger:	protected log(level: LogLevel, message: string) {
		const messages: [LogLevel, string][] = [[level, message]];
		if (this.isLoggerCreated) {
			this.doLog(messages);
		} else {
			this.buffer.push(...messages);
		}
	}