org.apache.maven.api.Toolchain rareToolchain = mock(org.apache.maven.api.Toolchain.class);
        when(toolchainFactoryRareType.createToolchain(any())).thenReturn(rareToolchain);

        List<Toolchain> toolchains = toolchainManager.getToolchains(session, "rare", null);

        assertEquals(1, toolchains.size());
    }

    @Test
    void testModelsAndFactory() {

          <groupId>org.mvnsearch</groupId>
          <artifactId>toolchains-maven-plugin</artifactId>
          <version>4.5.0</version>
          <executions>
            <!--
            We can apparently have only one <jdk> per execution: Others are silently ignored :(
            To properly test this, you need to remove existing toolchains:
            rm -rf ~/.m2/jdks/ ~/.m2/toolchains.xml

          <groupId>org.mvnsearch</groupId>
          <artifactId>toolchains-maven-plugin</artifactId>
          <version>4.5.0</version>
          <executions>
            <!--
            We can apparently have only one <jdk> per execution: Others are silently ignored :(
            To properly test this, you need to remove existing toolchains:
            rm -rf ~/.m2/jdks/ ~/.m2/toolchains.xml

    /**
     * Maven installation toolchains.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${maven.installation.conf}/toolchains.xml")
    public static final String MAVEN_INSTALLATION_TOOLCHAINS = "maven.installation.toolchains";

    /**
     * Maven user toolchains.
     *
     * @since 4.0.0
     */

    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.mvnsearch</groupId>
        <artifactId>toolchains-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-toolchains-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <executions>
          <execution>

     *
     * @return the settings instance
     */
    @Nonnull
    Settings getSettings();

    /**
     * Retrieves toolchain models that have been explicitly configured.
     *
     * @return the toolchain models
     */
    @Nonnull
    Collection<ToolchainModel> getToolchains();

    /**
     * Retrieves the local repository associated with this session.
     *

  }

  tasks.withType<JavaCompile> {
    options.encoding = Charsets.UTF_8.toString()
  }

  if (plugins.hasPlugin(JavaBasePlugin::class.java)) {
    extensions.configure<JavaPluginExtension> {
      toolchain {
        languageVersion.set(JavaLanguageVersion.of(17))
      }
    }
  }

  tasks.withType<Checkstyle>().configureEach {
    exclude("**/CipherSuite.java")
  }