if (model.getDistributionManagement() != null
                && model.getDistributionManagement().getRelocation() != null) {
            // keep relocation only
            builder.distributionManagement(DistributionManagement.newBuilder()
                    .relocation(model.getDistributionManagement().getRelocation())
                    .build());
        }
        // only keep repositories other than 'central'

org.apache.maven.internal.impl.resolver.DefaultArtifactDescriptorReader
org.apache.maven.internal.impl.resolver.MavenVersionScheme
org.apache.maven.internal.impl.resolver.relocation.DistributionManagementArtifactRelocationSource
org.apache.maven.internal.impl.resolver.relocation.UserPropertiesArtifactRelocationSource

import org.apache.maven.internal.impl.resolver.VersionsMetadataGeneratorFactory;
import org.apache.maven.internal.impl.resolver.relocation.DistributionManagementArtifactRelocationSource;
import org.apache.maven.internal.impl.resolver.relocation.UserPropertiesArtifactRelocationSource;
import org.eclipse.aether.RepositoryListener;
import org.eclipse.aether.RepositorySystem;

        </field>
        <field>
          <name>relocation</name>
          <version>4.0.0+</version>
          <description>
            Relocation information of the artifact if it has been moved to a new group ID
            and/or artifact ID.
          </description>
          <association>
            <type>Relocation</type>
          </association>
        </field>
        <field>

class PathSource implements ModelSource {

    private final Path path;
    private final String location;

    PathSource(Path path) {
        this(path, null);
    }

    PathSource(Path path, String location) {
        this.path = path;
        this.location = location != null ? location : path.toString();
    }

    @Override
    public Path getPath() {
        return path;
    }

        if (msg != null && !msg.isEmpty()) {
            buffer.append(" ").append(msg);
        }
        String location = getLocation();
        if (!location.isEmpty()) {
            buffer.append(" @ ").append(location);
        }
        return buffer.toString();
    }

                InputLocation location = plugins.get(key).getLocation("");
                problems.add(
                        Severity.WARNING,
                        ModelProblem.Version.V20,
                        "'build.plugins.plugin.version' for " + key + " is missing.",
                        location);
            }
        }
    }

                        // use key as is
                    }
                }

                location = tracker.getLocation(key);
            }

            if (location == null) {
                location = tracker.getLocation(EMPTY);
            }
        }

        return location;
    }

    private static boolean equals(String s1, String s2) {

            this.tag = tag;
            this.hash = Objects.hash(source, tag);
        }

        @Override
        public String toString() {
            return "SourceCacheKey[" + "location=" + source.getLocation() + ", tag=" + tag + ", path="
                    + source.getPath() + ']';
        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {

}

// MetadataEntry denotes name and value.
type MetadataEntry struct {
	Name  string `xml:"Name"`
	Value string `xml:"Value"`
}

// S3Location specifies s3 location that receives result of a restore object request
type S3Location struct {
	BucketName   string          `xml:"BucketName,omitempty"`
	Encryption   Encryption      `xml:"Encryption,omitempty"`
	Prefix       string          `xml:"Prefix,omitempty"`