public boolean containsTotalBytesOnTiers(
      java.lang.String key) {
    if (key == null) { throw new java.lang.NullPointerException(); }
    return internalGetTotalBytesOnTiers().getMap().containsKey(key);
  }
public boolean containsTotalBytesOnTiers ( java . lang . String key ) { if ( key == null ) { throw new java . lang . NullPointerException ( ) ; } return internalGetTotalBytesOnTiers ( ) . getMap ( ) . containsKey ( key ) ; }
<pre>
* the map of total bytes on each tier
</pre>

<code>map&lt;string, int64&gt; totalBytesOnTiers = 3;</code>