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