* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.execution;

import java.util.List;

/**
 * This class holds the information required to enable resuming a Maven build with {@code --resume}.
 */
public class BuildResumptionData {
    /**
     * The list of projects that remain to be built.
     */
    private final List<String> remainingProjects;

     * @param result Outcome of the current Maven build.
     * @return A {@link BuildResumptionData} instance or {@link Optional#empty()} if resuming the build is not possible.
     */
    Optional<BuildResumptionData> determineBuildResumptionData(MavenExecutionResult result);

                .collect(Collectors.toList());

        if (remainingProjects.isEmpty()) {
            LOGGER.info("No remaining projects found, resuming the build would not make sense.");
            return Optional.empty();
        }

        return Optional.of(new BuildResumptionData(remainingProjects));
    }

                    .filter(str -> str != null && !str.isEmpty())
                    .forEach(request.getProjectActivation()::activateOptionalProject);
            LOGGER.info("Resuming from {} due to the --resume / -r feature.", propertyValue);
        }
    }

		// If we resume to the same bucket, forward to last known item.
		b := tracker.getBucket()
		if b == bucket {
			forwardTo = tracker.getObject()
		}
		if b != "" {
			// Reset to where last bucket ended if resuming.
			tracker.resume()
		}
		tracker.setObject("")
		tracker.setBucket(bucket)
		// Heal current bucket again in case if it is failed
		// in the beginning of erasure set healing

			if err == nil || err == io.EOF {
				return entries, err
			}
			entries.truncate(0)
		} else {
			if o.pool < len(z.serverPools) && o.set < len(z.serverPools[o.pool].sets) {
				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
				}

		return
	}

	duration := endTime.Sub(m.startTime)

	bytesSinceLastWindow := atomic.SwapUint64(&m.bytesSinceLastWindow, 0)

	if m.expMovingAvg == 0 {
		// Should address initial calculation and should be fine for resuming from 0
		m.expMovingAvg = float64(bytesSinceLastWindow) / duration.Seconds()
		return
	}

	increment := float64(bytesSinceLastWindow) / duration.Seconds()

	ItemsFailed uint64

	BytesDone   uint64
	BytesFailed uint64

	// Last object scanned.
	Bucket string `json:"-"`
	Object string `json:"-"`

	// Numbers when current bucket started healing,
	// for resuming with correct numbers.
	ResumeItemsHealed  uint64 `json:"-"`
	ResumeItemsFailed  uint64 `json:"-"`
	ResumeItemsSkipped uint64 `json:"-"`
	ResumeBytesDone    uint64 `json:"-"`
	ResumeBytesFailed  uint64 `json:"-"`

	Pools   []PoolStatus `msg:"pls"`

	// Value should not be saved when we have not loaded anything yet.
	dontSave bool `msg:"-"`
}

// A decommission resumable tells us if decommission is worth
// resuming upon restart of a cluster.
func (p *poolMeta) returnResumablePools() []PoolStatus {
	var newPools []PoolStatus
	for _, pool := range p.Pools {
		if pool.Decommission == nil {
			continue
		}

}

// ServiceFreeze freezes all S3 API calls when 'freeze' is true,
// 'freeze' is 'false' would resume all S3 API calls again.
// NOTE: once a tenant is frozen either two things needs to
// happen before resuming normal operations.
//   - Server needs to be restarted 'mc admin service restart'
//   - 'freeze' should be set to 'false' for this call
//     to resume normal operations.