defer disk.Delete(context.TODO(), minioMetaBucket, tmpFormat, DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

	// write to unique file.
	if err = disk.WriteAll(context.TODO(), minioMetaBucket, tmpFormat, formatData); err != nil {
		return err
	}

	// Rename file `uuid.json` --> `format.json`.

// If file names are equal, compareMeta is called to select which one to choose.
// The entry not chosen will be discarded.
// If the context is canceled the function will return the error,
// otherwise the function will return nil.
func mergeEntryChannels(ctx context.Context, in []chan metaCacheEntry, out chan<- metaCacheEntry, readQuorum int) error {
	defer xioutil.SafeClose(out)
	top := make([]*metaCacheEntry, len(in))

	return p, nil
}

func (iamOS *IAMObjectStore) loadPolicyDoc(ctx context.Context, policy string, m map[string]PolicyDoc) error {
	p, err := iamOS.loadPolicy(ctx, policy)
	if err != nil {
		return err
	}
	m[policy] = p
	return nil
}

func (iamOS *IAMObjectStore) loadPolicyDocs(ctx context.Context, m map[string]PolicyDoc) error {
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

		// Test case - 1.
		// Test case with "X-Amz-Content-Sha256" header set, but to empty value but we can't skip.
		{"X-Amz-Content-Sha256", "", "", "", false},

		// Test case - 2.
		// Test case with "X-Amz-Content-Sha256" not set so we can skip.
		{"", "", "", "", true},

		// Test case - 3.
		// Test case with "X-Amz-Content-Sha256" header set to  "UNSIGNED-PAYLOAD"

- `aws:username` - This is a string containing the friendly name of the current user, this value would point to STS temporary credential in `AssumeRole`ed requests, use `jwt:preferred_username` in case of OpenID connect and `ldap:username` in case of AD/LDAP. *aws:userid* is an alias to *aws:username* in MinIO.

        }
    }

    @Test
    @DisplayName("Should evict oldest leases when max limit reached")
    void testMaxLeaseEviction() throws InterruptedException {
        // Create a context with low max lease limit
        Configuration limitedConfig = mock(Configuration.class);
        CIFSContext limitedContext = mock(CIFSContext.class);
        when(limitedContext.getConfig()).thenReturn(limitedConfig);

        buffer[offset++] = (byte) 0;

        // Decode
        int bytesDecoded = fileStandardInfo.decode(buffer, 0, buffer.length);

        // Verify - negative values are valid in this context
        assertEquals(22, bytesDecoded);
        assertEquals(negativeLong, fileStandardInfo.getSize());
    }

        }

        /** The return value of the operation */
        public int retval;
        /** The handle to the domain */
        public rpc.policy_handle domain_handle;
        /** The enumeration context handle */
        public int resume_handle;
        /** Account control flags filter */
        public int acct_flags;
        /** The returned array of SAM entries */
        public SamrSamArray sam;

        }

        /** The return value of the operation */
        public int retval;
        /** The handle to the domain */
        public rpc.policy_handle domain_handle;
        /** The enumeration context handle */
        public int resume_handle;
        /** Account control flags filter */
        public int acct_flags;
        /** The returned array of SAM entries */
        public SamrSamArray sam;

}

var (
	// globalServerConfig server config.
	globalServerConfig   config.Config
	globalServerConfigMu sync.RWMutex
)

func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
	switch subSys {
	case config.SiteSubSys: