m := make(map[string]interface{})
	m[parentClaim] = parentUser

	if len(policyBuf) > 0 {
		m[policy.SessionPolicyName] = base64.StdEncoding.EncodeToString(policyBuf)
		m[iamPolicyClaimNameSA()] = embeddedPolicyType
	} else {
		m[iamPolicyClaimNameSA()] = inheritedPolicyType
	}

	// Add all the necessary claims for the service account.
	for k, v := range opts.claims {
		_, ok := m[k]
		if !ok {
			m[k] = v

	// sessionPolicy is nil and there is embedded policy attached we remove
	// embedded policy at that point.
	if _, ok := m.Lookup(policy.SessionPolicyName); ok && nosp {
		m.Delete(policy.SessionPolicyName)
		m.Set(iamPolicyClaimNameSA(), inheritedPolicyType)
	}

	if opts.sessionPolicy != nil { // session policies is being updated
		if err := opts.sessionPolicy.Validate(); err != nil {
			return updatedAt, err
		}