@Deprecated
  public static InternalLogWriter getStaticInternalLogWriter() {
    InternalDistributedSystem sys = getAnyInstance();
    if (sys != null) {
      return sys.logWriter;
    }
    return null;
  }
@return a log writer, or null if there is no distributed system available
geode-core/src/main/java/org/apache/geode/distributed/internal/InternalDistributedSystem.java