case '\t':
				dst.WriteByte('t')
			default:
				// This encodes bytes < 0x20 except for \t, \n and \r.
				// If escapeHTML is set, it also escapes <, >, and &
				// because they can lead to security holes when
				// user-controlled strings are rendered into JSON
				// and served to some browsers.
				dst.WriteString(`u00`)
				dst.WriteByte(hexTable[b>>4])
				dst.WriteByte(hexTable[b&0xF])
			}
			i++

func registerSTSRouter(router *mux.Router) {
	// Initialize STS.
	sts := &stsAPIHandlers{}

	// STS Router
	stsRouter := router.NewRoute().PathPrefix(SlashSeparator).Subrouter()

	// Assume roles with no JWT, handles AssumeRole.
	stsRouter.Methods(http.MethodPost).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {
		ctypeOk := wildcard.MatchSimple("application/x-www-form-urlencoded*", r.Header.Get(xhttp.ContentType))

// The bytes written matches the number of remaining bytes in the current file.
//
// If the current file is sparse and w is an io.WriteSeeker,
// then writeTo uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are filled with NULs.
// This always writes the last byte to ensure w is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.

)

type SerializerStruct struct {
	gorm.Model
	Name                   []byte                 `gorm:"json"`
	Roles                  Roles                  `gorm:"serializer:json"`
	Roles2                 *Roles                 `gorm:"serializer:json"`
	Roles3                 *Roles                 `gorm:"serializer:json;not null"`
	Contracts              map[string]interface{} `gorm:"serializer:json"`

// deals with sparseDatas.
//
// However, the external API uses sparseHoles instead of sparseDatas because the
// zero value of sparseHoles logically represents a normal file (i.e., there are
// no holes in it). On the other hand, the zero value of sparseDatas implies
// that the file has no data in it, which is rather odd.
//
// As an example, if the underlying raw file contains the 10-byte data:
//

			h.Reset()
			h.Write([]byte(provCfg.ClientSecret))
			hashedSecret = base64.RawURLEncoding.EncodeToString(h.Sum(nil))
		}
		if arn != DummyRoleARN {
			if res.Roles == nil {
				res.Roles = make(map[string]madmin.OpenIDProviderSettings)
			}
			res.Roles[arn.String()] = madmin.OpenIDProviderSettings{
				ClaimUserinfoEnabled: provCfg.ClaimUserinfo,
				RolePolicy:           provCfg.RolePolicy,

			version:  "v1",
			resource: "customresourcedefinitions",
		},
		{
			namespace: istioNamespace,
			group:     "rbac.authorization.k8s.io",
			version:   "v1",
			resource:  "roles",
		},
		{
			namespace: istioNamespace,
			version:   "v1",
			resource:  "serviceaccounts",
		},
		{
			namespace: istioNamespace,
			version:   "v1",
			resource:  "services",
		},

// The bytes read must match the number of remaining bytes in the current file.
//
// If the current file is sparse and r is an io.ReadSeeker,
// then readFrom uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are all NULs.
// This always reads the last byte to ensure r is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.

		case <-ctx.Done():
			return
		}
	}
}

func (sys *IAMSys) validateAndAddRolePolicyMappings(ctx context.Context, m map[arn.ARN]string) {
	// Validate that policies associated with roles are defined. If
	// authZ plugin is set, role policies are just claims sent to
	// the plugin and they need not exist.
	//
	// If some mapped policies do not exist, we print some error