code: public java.util.List<String> getAddIamRoles() {
          if (addIamRoles == null) {
              addIamRoles = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return addIamRoles;
      }
docs: <p>
  Zero or more IAM roles to associate with the cluster. The roles must be in their Amazon Resource Name (ARN)
  format. You can associate up to 10 IAM roles with a single cluster in a single request.
  </p>
  
  @return Zero or more IAM roles to associate with the cluster. The roles must be in their Amazon Resource Name
  (ARN) format. You can associate up to 10 IAM roles with a single cluster in a single request.