// it returns all the data in the buffer and the error itself (often io.EOF).
// ReadSlice fails with error [ErrBufferFull] if the buffer fills without a delim.
// Because the data returned from ReadSlice will be overwritten
// by the next I/O operation, most clients should use
// [Reader.ReadBytes] or ReadString instead.
// ReadSlice returns err != nil if and only if line does not end in delim.

   * need to guard against those conditions, you should employ other file-level synchronization.
   *
   * <p><b>Warning:</b> If {@code to} represents an existing file, that file will be overwritten
   * with the contents of {@code from}. If {@code to} and {@code from} refer to the <i>same</i>
   * file, the contents of that file will be deleted.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link

//
// ``legacyObject``: This is the legacy object in xlV1 format, preserved until its overwritten
//
// The most recently updated element in the array is considered the latest version.

// In addition to these we have a special kind called free-version. This is represented
// using a delete-marker and MetaSys entries. It's used to track tiered content of a
// deleted/overwritten version. This version is visible _only_to the scanner routine, for subsequent deletion.

			Object:    objInfo.Name,
			VersionID: objInfo.VersionID,
			Status:    http.StatusText(http.StatusOK),
		})
	}

	// Remove the transitioned object whose object version is being overwritten.
	if !globalTierConfigMgr.Empty() {
		// Schedule object for immediate transition if eligible.
		enqueueTransitionImmediate(objInfo, lcEventSrc_s3CompleteMultipartUpload)
		os.Sweep()
	}
}

Otherwise, each read of a single-word-sized or sub-word-sized memory location
must observe a value actually written to that location (perhaps by a concurrent executing goroutine)
and not yet overwritten.
These implementation constraints make Go more like Java or JavaScript,
in that most races have a limited number of outcomes,
and less like C and C++, where the meaning of any program with a race

   "Action": [
    "s3:PutObject",
    "s3:GetObject"
   ],
   "Resource": [
    "arn:aws:s3:::%s/*"
   ]
  }
 ]
}`, bucket, bucket)

	// Check that default policies can be overwritten.
	err = s.adm.AddCannedPolicy(ctx, "readwrite", policyBytes)
	if err != nil {
		c.Fatalf("policy add error: %v", err)
	}

	info, err := s.adm.InfoCannedPolicy(ctx, "readwrite")
	if err != nil {

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrObjectLocked: {
		Code:           "InvalidRequest",
		Description:    "Object is WORM protected and cannot be overwritten",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidRetentionDate: {
		Code:           "InvalidRequest",
		Description:    "Date must be provided in ISO 8601 format",

		for _, user := range q.Users {
			lookupRes, actualGroups, _ := sys.LDAPConfig.GetValidatedDNWithGroups(user)
			if lookupRes != nil {
				groupSet := set.CreateStringSet(actualGroups...)

				// duplicates can be overwritten, fetched groups should be identical.
				cleanQ.Users[lookupRes.NormDN] = groupSet
			}
			// Search for non-normalized DN as well for backward compatibility.
			if _, ok := cleanQ.Users[user]; !ok {

			}
			if fi.Size == 0 || (fi.VersionID == "" || fi.VersionID == nullVersionID) {
				// If versioned we have no conflicts.
				fi.SetInlineData()
				return fi, nil
			}

			// For overwritten objects without header we might have a
			// conflict with data written later. Check the data path
			// if there is a part with data.
			partPath := fmt.Sprintf("part.%d", fi.Parts[0].Number)

			// it will fail anyways, however if there is quorum available
			// with enough disks online but sufficiently inconsistent to
			// break parity threshold, allow them to be overwritten
			// or allow new versions to be added.

			return pinfo, z.poolsWithObject(poolObjInfos, opts), nil
		}
		defPool = pinfo
		if !isErrObjectNotFound(pinfo.Err) && !isErrVersionNotFound(pinfo.Err) {