o.debugln("Resuming", o)
				entries, err = z.serverPools[o.pool].sets[o.set].streamMetadataParts(ctx, *o)
				entries.reuse = true // We read from stream and are not sharing results.
				if err == nil {
					return entries, nil
				}
			} else {
				err = fmt.Errorf("invalid pool/set")
				o.pool, o.set = 0, 0
			}
		}
		if IsErr(err, []error{
			nil,

As code duplication increments the chances of bugs, security issues, code desynchronization issues (when you update in one place but not in the others), etc.

And these models are all sharing a lot of the data and duplicating attribute names and types.

We could do better.

		}
	}

	// Deleting fileInfos[4].VersionID, fileInfos[5].VersionID should return empty data dir; there are other object version sharing the data dir.
	// Subsequently deleting fileInfos[6].versionID should return fileInfos[6].dataDir since there are no other object versions sharing this data dir.
	count := len(testCases)
	for i := 4; i < len(testCases); i++ {
		tc := testCases[i]
		dataDir, err := xl.DeleteVersion(fileInfos[i])

   limitations under the License.

================================================================

github.com/Azure/go-autorest/tracing
https://github.com/Azure/go-autorest/tracing
----------------------------------------------------------------

                                 Apache License
                           Version 2.0, January 2004

)

// setsDsyncLockers is encapsulated type for Close()
type setsDsyncLockers [][]dsync.NetLocker

// erasureSets implements ObjectLayer combining a static list of erasure coded
// object sets. NOTE: There is no dynamic scaling allowed or intended in
// current design.
type erasureSets struct {
	sets []*erasureObjects

	// Reference format.
	format *formatErasureV3

	// erasureDisks mutex to lock erasureDisks.

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and

    0x1.8ce85fadb707ep829,
    0x1.95d5f3d928edep945
  };

  /**
   * Returns {@code true} if {@code a} and {@code b} are within {@code tolerance} of each other.
   *
   * <p>Technically speaking, this is equivalent to {@code Math.abs(a - b) <= tolerance ||
   * Double.valueOf(a).equals(Double.valueOf(b))}.
   *
   * <p>Notable special cases include:
   *
   * <ul>
   *   <li>All NaNs are fuzzily equal.

	},
}

// Set of s3 handler options as bit flags.
type s3HFlag uint8

const (
	// when provided, disables Gzip compression.
	noGZS3HFlag = 1 << iota

	// when provided, enables only tracing of headers. Otherwise, both headers
	// and body are traced.
	traceHdrsS3HFlag

	// when provided, disables throttling via the `maxClients` middleware.
	noThrottleS3HFlag
)