type AssumedRoleUser struct {
	// The ARN of the temporary security credentials that are returned from the
	// AssumeRole action. For more information about ARNs and how to use them in
	// policies, see IAM Identifiers (http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html)
	// in Using IAM.
	//
	// Arn is a required field
	Arn string

// authenticated via policy-claim based OpenID provider.
var DummyRoleARN = func() arn.ARN {
	v, err := arn.NewIAMRoleARN("dummy-internal", "")
	if err != nil {
		panic("should not happen!")
	}
	return v
}()

// Config - OpenID Config
type Config struct {
	Enabled bool

	// map of roleARN to providerCfg's
	arnProviderCfgsMap map[arn.ARN]*providerCfg

	// map of config names to providerCfg's

		// GetObjectLegalHold
		router.Methods(http.MethodGet).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.GetObjectLegalHoldHandler)).
			Queries("legal-hold", "")
		// GetObject with lambda ARNs
		router.Methods(http.MethodGet).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.GetObjectLambdaHandler, traceHdrsS3HFlag)).
			Queries("lambdaArn", "{lambdaArn:.*}")
		// GetObject

	if update {
		ops = madmin.GetTargetUpdateOps(r.Form)
	} else {
		var exists bool // true if arn exists
		target.Arn, exists = globalBucketTargetSys.getRemoteARN(bucket, &target, "")
		if exists && target.Arn != "" { // return pre-existing ARN
			data, err := json.Marshal(target.Arn)
			if err != nil {
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
				return
			}

#SNG: from basn3p08-trns.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using color palette;
}
gAMA {1.0000}
PLTE {
    (255,  3,  7)     # rgb = (0xff,0x03,0x07)
    (255,  4,  7)     # rgb = (0xff,0x04,0x07)
    (255,  9,  7)     # rgb = (0xff,0x09,0x07)
    (217, 14,  7)     # rgb = (0xd9,0x0e,0x07)
    (255, 14,  7)     # rgb = (0xff,0x0e,0x07)
    (  2, 22, 19)     # rgb = (0x02,0x16,0x13)
    (255, 26,  7)     # rgb = (0xff,0x1a,0x07)

		}

		for _, arg := range call.Args {
			if !typeOKForCgoCall(cgoBaseType(info, arg), make(map[types.Type]bool)) {
				reportf(arg.Pos(), "possibly passing Go type with embedded pointer to C")
				break
			}

			// Check for passing the address of a bad type.
			if conv, ok := arg.(*ast.CallExpr); ok && len(conv.Args) == 1 &&
				isUnsafePointer(info, conv.Fun) {
				arg = conv.Args[0]
			}

			runtime.GC()
			runtime.GC()
		}

		os.Exit(code)
	}

	args := flag.Args()
	if len(args) == 0 {
		fmt.Fprintf(os.Stderr, "No command\n")
		os.Exit(2)
	}

	cmd, args := args[0], args[1:]
	f, ok := helperCommands[cmd]
	if !ok {
		fmt.Fprintf(os.Stderr, "Unknown command %q\n", cmd)
		os.Exit(2)
	}
	f(args...)
	os.Exit(0)
}

        1 * graph.getNodeValues(1, _, _) >> { args -> args[1] << '1'; args[2] << 1; args[2] << 2 }
        1 * graph.getNodeValues(2, _, _) >> { args -> args[1] << '2'; args[2] << 3; args[2] << 4 }
        1 * graph.getNodeValues(3, _, _) >> { args -> args[1] << '3'; args[2] << 2 }
        1 * graph.getNodeValues(4, _, _) >> { args -> args[1] << '4' }
        5 * graph.getEdgeValues(_, _, _) >> { args -> args[2] << "${args[0]}->${args[1]}".toString() }

	case LXV:
		return op + " " + args[1] + "," + args[0]

	case LXVL, LXVLL:
		return op + " " + args[1] + "," + args[2] + "," + args[0]

	case DCBT, DCBTST, DCBZ, DCBST, ICBI:
		if args[0] == "0" || args[0] == "R0" {
			return op + " (" + args[1] + ")"
		}
		return op + " (" + args[1] + ")(" + args[0] + ")"

	// branch instructions needs additional handling
	case BCLR:

	if args.B == 0 {
		return errors.New("divide by zero")
	}
	reply.C = args.A / args.B
	return nil
}

func (t *Arith) String(args *Args, reply *string) error {
	*reply = fmt.Sprintf("%d+%d=%d", args.A, args.B, args.A+args.B)
	return nil
}

func (t *Arith) Scan(args string, reply *Reply) (err error) {
	_, err = fmt.Sscan(args, &reply.C)
	return
}