func TestARNString(t *testing.T) {
	testCases := []struct {
		arn            ARN
		expectedResult string
	}{
		{ARN{}, ""},
		{ARN{TargetID{"1", "webhook"}, ""}, "arn:minio:sqs::1:webhook"},
		{ARN{TargetID{"1", "webhook"}, "us-east-1"}, "arn:minio:sqs:us-east-1:1:webhook"},
	}

	for i, testCase := range testCases {
		result := testCase.arn.String()

		if result != testCase.expectedResult {

        differences between them.


        Additionally, it's very useful to us if you can provide a "straw API" — what the
        method signatures would look like, for example, even if the method and class names are still
        in flux. This can make the feature you're suggesting much clearer to us.

  - type: textarea
    attributes:

	procLockFileEx = modkernel32.NewProc("LockFileEx")
)

const (
	// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365203(v=vs.85).aspx
	lockFileExclusiveLock   = 2
	lockFileFailImmediately = 1

	// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms681382(v=vs.85).aspx
	errLockViolation syscall.Errno = 0x21
)

// lockedOpenFile is an internal function.

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    compiling from source placeholder: validations: required: false

-   type: textarea id: what-happened attributes: label: Current Behaviour?
    description: Also tell us, what did you expect to happen? placeholder: Tell
    us what you see! value: "A bug happened!" render: shell validations:
    required: true

-   type: textarea id: code-to-reproduce attributes: label: Standalone code to

		expectedResult bool
	}{
		{"", "", true},
		{globalMinioDefaultRegion, "", true},
		{globalMinioDefaultRegion, "US", true},
		{"us-west-1", "US", false},
		{"us-west-1", "us-west-1", true},
		// "US" was old naming convention for 'us-east-1'.
		{"US", "US", true},
	}

	for i, testCase := range testCases {
		actualResult := isValidRegion(testCase.inputReqRegion, testCase.inputConfRegion)

```
curl http://minio1:9001/minio/health/cluster
HTTP/1.1 503 Service Unavailable
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1
X-Minio-Write-Quorum: 3
X-Amz-Request-Id: 16239D6AB80EBECF
X-Xss-Protection: 1; mode=block
Date: Tue, 21 Jul 2020 00:36:14 GMT
```

### Cluster-readable probe

      description: If compiling from source
  - type: textarea
    id: what-happened
    attributes:
      label: Current behavior?
      description: Also tell us, what did you expect to happen?
      placeholder: Tell us what you see!
    validations:
      required: true
  - type: textarea
    id: code-to-reproduce
    attributes:
      label: Standalone code to reproduce the issue

        Provide a brief summary of the issue in the title above
  - type: textarea
    id: expected-behavior
    attributes:
      label: Expected Behavior
      description: Tell us how it should work
    validations:
      required: true
  - type: textarea
    id: current-behavior
    attributes:
      label: Current Behavior (optional)

import (
	"errors"
	"fmt"
	"os"
	"syscall"
	"unsafe"

	"golang.org/x/sys/windows"
)

var (
	kernel32 = windows.NewLazySystemDLL("kernel32.dll")

	// GetDiskFreeSpaceEx - https://msdn.microsoft.com/en-us/library/windows/desktop/aa364937(v=vs.85).aspx
	// Retrieves information about the amount of space that is available on a disk volume,
	// which is the total amount of space, the total amount of free space, and the total