code: public java.util.Map<java.lang.String, org.tensorflow.framework.CollectionDef> getCollectionDefMap() {
      return internalGetCollectionDef().getMap();
    }
docs: <pre>
  collection_def: Map from collection name to collections.
  See CollectionDef section for details.
  </pre>
  
  <code>map&lt;string, .tensorflow.CollectionDef&gt; collection_def = 4;</code>