public java.lang.String getRetOrThrow(
      java.lang.String key) {
    if (key == null) { throw new java.lang.NullPointerException(); }
    java.util.Map<java.lang.String, java.lang.String> map =
        internalGetRet().getMap();
    if (!map.containsKey(key)) {
      throw new java.lang.IllegalArgumentException();
    }
    return map.get(key);
  }
public java . lang . String getRetOrThrow ( java . lang . String key ) { if ( key == null ) { throw new java . lang . NullPointerException ( ) ; } java . util . Map < java . lang . String , java . lang . String > map = internalGetRet ( ) . getMap ( ) ; if ( ! map . containsKey ( key ) ) { throw new java . lang . IllegalArgumentException ( ) ; } return map . get ( key ) ; }
<pre>
A mapping from the output arg names from `signature` to the
outputs from `node_def` that should be returned by the function.
</pre>

<code>map&lt;string, string&gt; ret = 4;</code>