code: public java.util.List<PolicyRole> getPolicyRoles() {
          if (policyRoles == null) {
              policyRoles = new com.amazonaws.internal.SdkInternalList<PolicyRole>();
          }
          return policyRoles;
      }
docs: <p>
  A list of IAM roles that the policy is attached to.
  </p>
  
  @return A list of IAM roles that the policy is attached to.