/**
     * Returns the file name extension of the artifact;
     * e.g. "jar", "pom", "xml", etc.
     *
     * @return the file extension
     */
    String getExtension();

    String getDirectory();

    /**
     * Returns the default classifier used if a different one is not set in pom.xml.
     *
     * @return the classifier
     */
    String getClassifier();

    String getPackaging();

            return;
        }
        if (Features.consumerPom(session.getConfigProperties())) {
            Path buildDir =
                    project.getBuild() != null ? Paths.get(project.getBuild().getDirectory()) : null;
            if (buildDir != null) {
                Files.createDirectories(buildDir);
            }
            Path consumer = buildDir != null

        List<Resource> outResources = out.getBuild().getResources();
        Iterator<Resource> resIt = outResources.iterator();

        assertEquals(model.getBuild().getSourceDirectory(), resIt.next().getDirectory());
    }

    @Test
    public void shouldInterpolateUnprefixedBasedirExpression() throws Exception {
        File basedir = new File("/test/path");

                        .filter(project -> Objects.equals(root.toFile(), project.getBasedir()))
                        .findFirst()
                        .map(project -> project.getBuild().getDirectory())
                        .map(Paths::get)
                        .orElseGet(() -> root.resolve("target"))
                        .resolve(PROJECT_LOCAL_REPO);
            } else {

                    prefix,
                    "directory",
                    problems,
                    Severity.ERROR,
                    Version.V20,
                    resource.getDirectory(),
                    null,
                    resource);

            validateBoolean(
                    prefix,
                    "filtering",
                    problems,

                    } else if (scope == ProjectScope.TEST) {
                        return build.getTestOutputDirectory();
                    } else {
                        return build.getDirectory();
                    }
                };
                boolean hasScript = false;
                boolean hasMain = false;
                boolean hasTest = false;

          <version>4.0.0+</version>
          <code>
            <![CDATA[
    /**
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return "FileSet {directory: " + getDirectory() + ", " + super.toString() + "}";
    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>Source</name>