}
                project.setParent(parent);
                if (project.getParentFile() == null && parent != null) {
                    project.setParentFile(parent.getFile());
                }
            }
        }

        private ModelBuilderRequest.ModelBuilderRequestBuilder getModelBuildingRequest() {
            ModelBuilderRequest.ModelBuilderRequestBuilder modelBuildingRequest = ModelBuilderRequest.builder();

            throws ModelBuildingException {
        ModelData parentData;

        Parent parent = childModel.getParent();

        if (parent != null) {
            String groupId = parent.getGroupId();
            String artifactId = parent.getArtifactId();
            String version = parent.getVersion();

			return nil
		}
	}

	// Slow path: make sure parent exists and then call Mkdir for path.
	i := len(dirPath)
	for i > 0 && os.IsPathSeparator(dirPath[i-1]) { // Skip trailing path separator.
		i--
	}

	j := i
	for j > 0 && !os.IsPathSeparator(dirPath[j-1]) { // Scan backward over element.
		j--
	}

	if j > 1 {
		// Create parent.
		if err := osMkdirAll(dirPath[:j-1], perm, baseDir); err != nil {

  It is done in <<<InheritanceAssembler>>> ({{{./apidocs/org/apache/maven/model/inheritance/InheritanceAssembler.html}javadoc}}),
  with its <<<DefaultInheritanceAssembler>>> implementation
  ({{{./xref/org/apache/maven/model/inheritance/DefaultInheritanceAssembler.html}source}}).

    private final Map<K, V> parent;

    /**
     * Creates a new parameter map.
     *
     * @param parent the parent map
     */
    public ParamMap(final Map<K, V> parent) {
        this.parent = parent;
    }

    /**
     * Gets the parent map.
     *
     * @return the parent map
     */
    public Map<K, V> getParent() {
        return parent;
    }

    /**

        parent.setVersion("1.0");

        assertNotNull(this.newModelResolver().resolveModel(parent));
        assertEquals("1.0", parent.getVersion());
    }

    @Test
    void testResolveParentSuccessfullyResolvesExistingParentUsingHighestVersion() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("ut.simple");
        parent.setArtifactId("artifact");

            <parent>child</parent>
            <child>child</child>
            <parent-only>parent</parent-only>
          </defaults>
          <appends combine.children="append">
            <parent-only>parent</parent-only>
            <parent>parent</parent>
            <parent>child</parent>
            <child>child</child>
          </appends>

                                "The requested parent version range '%s' does not specify an upper bound",
                                parent.getVersion()),
                        parent.getGroupId(),
                        parent.getArtifactId(),
                        parent.getVersion());
            }

            parent.setVersion(versionRangeResult.getHighestVersion().toString());

            return parent.isEmpty();
        }

        @Override
        public boolean contains(final Object o) {
            return parent.contains(o);
        }

        @Override
        public Iterator<E> iterator() {
            return parent.iterator();
        }

        @Override
        public Object[] toArray() {
            return parent.toArray();
        }

        // Verify filter interactions: not called for '.' and '..', called for others
        verify(nameFilter, never()).accept(parent, ".");
        verify(nameFilter, never()).accept(parent, "..");
        ArgumentCaptor<String> nameCaptor = ArgumentCaptor.forClass(String.class);
        verify(nameFilter, atLeast(1)).accept(eq(parent), nameCaptor.capture());
        assertTrue(nameCaptor.getAllValues().contains(acceptedName));