code: public java.util.List<String> getIamRoles() {
          if (iamRoles == null) {
              iamRoles = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return iamRoles;
      }
docs: <p>
  A list of AWS Identity and Access Management (IAM) roles that can be used by the cluster to access other AWS
  services. You must supply the IAM roles in their Amazon Resource Name (ARN) format. You can supply up to 10 IAM
  roles in a single request.
  </p>
  <p>
  A cluster can have up to 10 IAM roles associated at any time.
  </p>
  
  @return A list of AWS Identity and Access Management (IAM) roles that can be used by the cluster to access other
  AWS services. You must supply the IAM roles in their Amazon Resource Name (ARN) format. You can supply up
  to 10 IAM roles in a single request.</p>
  <p>
  A cluster can have up to 10 IAM roles associated at any time.