*
     * @return the root node of the dependency graph or {@code null} if none
     */
    @Nullable
    Node getRoot();

    /**
     * The ordered list of the flattened dependency nodes.
     *
     * @return the ordered list of the flattened dependency nodes
     */
    @Nonnull
    List<Node> getNodes();

    /**

 * If the type is {@link org.apache.maven.api.Node Node} or
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},
 * and {@code pathScope != ""}, the dependencies will be <i>flattened</i>.
 * Else the dependencies will be <i>resolved</i> and {@code pathScope} must be non empty,
 * and the field type can be {@link org.apache.maven.api.Node Node},
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},

                session, DependencyResolverRequest.RequestType.FLATTEN, project, scope));
    }

    @Nonnull
    default DependencyResolverResult flatten(@Nonnull DependencyResolverRequest request) {
        if (request.getRequestType() != DependencyResolverRequest.RequestType.FLATTEN) {
            throw new IllegalArgumentException("requestType should be FLATTEN when calling flatten()");
        }
        return resolve(request);
    }

		e := d.Cache[id]
		if len(e.Children) > 0 {
			e = d.flatten(e)
		}
		m[id] = e
	}
	return m
}

// flatten all children of the root into the root element and return it.
func (d *dataUsageCache) flatten(root dataUsageEntry) dataUsageEntry {
	for id := range root.Children {
		e := d.Cache[id]
		if len(e.Children) > 0 {
			e = d.flatten(e)
		}
		root.merge(e)
	}
	root.Children = nil

            identifiers.put(ident, method);
          }
        }
      }
    }
    return ImmutableList.copyOf(identifiers.values());
  }

  /** Global cache of classes to their flattened hierarchy of supertypes. */
  private static final LoadingCache<Class<?>, ImmutableSet<Class<?>>> flattenHierarchyCache =
      CacheBuilder.newBuilder()
          .weakKeys()
          .build(

    /**
     * Shortcut for {@code getService(DependencyResolver.class).flatten(...)}.
     *
     * @param node node for which to get a flattened list
     * @param scope build path scope (main compile, test compile, etc.) of desired nodes
     * @return flattened list of node with the given build path scope

		// Lookup remainder of path in each array element and
		// make result array.
		var result []interface{}
		for _, a := range arr {
			rval, flatten, err := jsonpathEval(p[1:], a)
			if err != nil {
				return nil, false, err
			}

			if flatten {
				// Flatten if array.
				if arr, ok := rval.([]interface{}); ok {
					result = append(result, arr...)
					continue
				}
			}

		path       string
		isNil      bool
		size, objs int
		flatten    bool
		oSizes     sizeHistogram
	}{
		{
			path:    "/",
			size:    363515,
			flatten: true,
			objs:    14,
			oSizes:  sizeHistogram{0: 7, 1: 5, 2: 2},
		},
		{
			path:    "/dir1",
			size:    342210,
			objs:    7,
			flatten: false,
			oSizes:  sizeHistogram{0: 2, 1: 3, 2: 2},
		},
		{

			sed "1s|^|$${warning}\n\n|" $$profile > manifests/charts/$$chart/files/profile-$$(basename $$profile) ; \
		done; \
		[[ "$$chart" == "ztunnel" ]] && flatten="true" || flatten="false" ; \
		cat manifests/zzz_profile.yaml | \
		  sed "s/FLATTEN_GLOBALS_REPLACEMENT/$${flatten}/g" \
		  > manifests/charts/$$chart/templates/zzz_profile.yaml ; \
	done

#-----------------------------------------------------------------------------

        mainTestedVersions = testedVersions.map { VersionNumber.parse(it.gradleVersion().version) }
            .groupBy { it.major }
            .map { (_, v) -> listOf(v.minOrNull()!!.format(), v.maxOrNull()!!.format()) }.flatten()
    }

    private
    fun VersionNumber.format() =
        // reformat according to our versioning scheme, since toString() would typically convert 1.0 to 1.0.0