plugins.forEach(p -> mergedPlugins.put(p.getPrefix(), p));
            metadata = metadata.withPlugins(mergedPlugins.values());
        }
        // just carry-on as-is
        if (recessive.getVersioning() != null) {
            metadata = metadata.withVersioning(recessive.getVersioning());
        }
    }

    @Deprecated
    @Override

            versions.addAll(original.getVersions());
            versioning.versions(new ArrayList<>(versions));
        }

        metadata = metadata.withVersioning(versioning.build());

        // just carry-on as-is
        if (recessive.getPlugins() != null && !recessive.getPlugins().isEmpty()) {
            metadata = metadata.withPlugins(new ArrayList<>(recessive.getPlugins()));
        }
    }

 * java.util.function.Supplier}, making conversion code necessary only in one direction. At that
 * time, this interface will be officially discouraged.
 *
 * @author Harry Heymann
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface Supplier<T extends @Nullable Object>
{
  /**

                }
            }
        }

        metadata = metadata.withVersioning(metadata.getVersioning().withSnapshotVersions(versions.values()));

        // just carry-on as-is
        if (recessive.getPlugins() != null && !recessive.getPlugins().isEmpty()) {
            metadata = metadata.withPlugins(new ArrayList<>(recessive.getPlugins()));
        }

        artifacts.clear();

                }
            }
        }

        metadata = metadata.withVersioning(metadata.getVersioning().withSnapshotVersions(versions.values()));

        // just carry-on as-is
        if (recessive.getPlugins() != null && !recessive.getPlugins().isEmpty()) {
            metadata = metadata.withPlugins(new ArrayList<>(recessive.getPlugins()));
        }
    }