code: public ListFlowsResult withFlows(ListedFlow... flows) {
          if (this.flows == null) {
              setFlows(new java.util.ArrayList<ListedFlow>(flows.length));
          }
          for (ListedFlow ele : flows) {
              this.flows.add(ele);
          }
          return this;
      }
docs: A list of flow summaries.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setFlows(java.util.Collection)} or {@link #withFlows(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param flows
  A list of flow summaries.
  @return Returns a reference to this object so that method calls can be chained together.