public java.util.List<ClusterIamRole> getIamRoles() {
        if (iamRoles == null) {
            iamRoles = new com.amazonaws.internal.SdkInternalList<ClusterIamRole>();
        }
        return iamRoles;
    }
<p>
A list of Identity and Access Management (IAM) roles that can be used by the cluster to access other Amazon Web
Services services.
</p>

@return A list of Identity and Access Management (IAM) roles that can be used by the cluster to access other
        Amazon Web Services services.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Cluster.java