er</span>.<span class="pl-smi">currentLevel</span> <span class="pl-k">=</span> <span class="pl-smi">logger</span>.<span class="pl-c1">LEVELS</span>.<span class="pl-smi">error</span>;
  <span class="pl-k">return</span> logger;
})
.<span class="pl-en">run</span>(<span class="pl-k">function</span>(<span class="pl-smi">$log</span>){
  <span class="pl-c">//at run time</span>
  <span class="pl-c">//override the default log level globally</span>
  <span class="pl-smi">$log</span>.<span class="pl-smi">currentLevel<