return value.hashCode();
        }

        public String toString() {
            return value;
        }
    }

    /**
     * Represents a combination in the version item list.
     * It is usually a combination of a string and a number, with the string first and the number second.
     */
    private static class CombinationItem implements Item {

        StringItem stringPart;

    combination with its Contributor Version (or portions of such
    combination), to make, use, sell, offer for sale, have made, and/or
    otherwise dispose of: (1) Modifications made by that Contributor (or
    portions thereof); and (2) the combination of Modifications made by
    that Contributor with its Contributor Version (or portions of such
    combination).

Contribution of such Contributor, if any, in source code and object code form.
This patent license shall apply to the combination of the Contribution and
the Program if, at the time the Contribution is added by the Contributor,
such addition of the Contribution causes such combination to be covered by
the Licensed Patents. The patent license shall not apply to any other combinations
which include the Contribution. No hardware per se is licensed hereunder.

      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their
      Contribution(s) alone or by combination of their Contribution(s)
      with the Work to which such Contribution(s) was submitted. If You
      institute patent litigation against any entity (including a

      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their
      Contribution(s) alone or by combination of their Contribution(s)
      with the Work to which such Contribution(s) was submitted. If You
      institute patent litigation against any entity (including a

license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated...

license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated...

          <version>1.1.0+</version>
          <description>Information for each sub-artifact available in this artifact snapshot. This is only the most recent SNAPSHOT for each unique extension/classifier combination.</description>
          <association>
            <type>SnapshotVersion</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
      <codeSegments>

import org.slf4j.LoggerFactory;

@Singleton
@Named
public final class DefaultPluginValidationManager extends AbstractEventSpy implements PluginValidationManager {
    /**
     * The collection of "G:A" combinations that do NOT belong to Maven Core, hence, should be excluded from
     * "expected in provided scope" type of checks.
     */
    static final Collection<String> EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA =

      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their
      Contribution(s) alone or by combination of their Contribution(s)
      with the Work to which such Contribution(s) was submitted. If You
      institute patent litigation against any entity (including a