}

    @Test
    void testBuildRequestWithUserToolchains() throws Exception {
        Properties props = new Properties();
        props.put("key", "user_value");
        ToolchainModel toolchain = new ToolchainModel();
        toolchain.setType("TYPE");
        toolchain.setProvides(props);
        PersistedToolchains persistedToolchains = new PersistedToolchains();

            throws MavenExecutionRequestPopulationException {
        if (toolchains != null) {
            Map<String, List<ToolchainModel>> groupedToolchains = new HashMap<>(2);

            for (ToolchainModel model : toolchains.getToolchains()) {
                if (!groupedToolchains.containsKey(model.getType())) {
                    groupedToolchains.put(model.getType(), new ArrayList<>());

              <exclude>org.apache.maven.toolchain.merge.MavenToolchainMerger#mergeToolchainModelConfiguration(org.apache.maven.toolchain.model.ToolchainModel,org.apache.maven.toolchain.model.ToolchainModel):METHOD_REMOVED</exclude>
            </excludes>
          </parameter>
          <oldVersion>

     */
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        } else if (!(other instanceof ToolchainModel)) {
            return false;
        } else {
            ToolchainModel that = (ToolchainModel) other;
            return java.util.Objects.equals(this.getType(), that.getType())
                && java.util.Objects.equals(this.getProvides(), that.getProvides());

        return builderId;
    }

    @Override
    public Map<String, List<ToolchainModel>> getToolchains() {
        if (toolchains == null) {
            toolchains = new HashMap<>();
        }
        return toolchains;
    }

    @Override
    public MavenExecutionRequest setToolchains(Map<String, List<ToolchainModel>> toolchains) {
        this.toolchains = toolchains;
        return this;
    }

     * @return this request
     * @since 3.3.0
     */
    MavenExecutionRequest setToolchains(Map<String, List<ToolchainModel>> toolchains);

    /**
     *
     * @return all toolchains grouped by type, never {@code null}
     * @since 3.3.0
     */
    Map<String, List<ToolchainModel>> getToolchains();

    /**
     * @since 3.3.0
     * @deprecated use {@link #setRootDirectory(Path)} instead
     */

              <exclude>org.apache.maven.toolchain.DefaultToolchain#DefaultToolchain(org.apache.maven.toolchain.model.ToolchainModel,org.codehaus.plexus.logging.Logger):CONSTRUCTOR_REMOVED</exclude>
              <exclude>org.apache.maven.toolchain.DefaultToolchain#DefaultToolchain(org.apache.maven.toolchain.model.ToolchainModel,java.lang.String,org.codehaus.plexus.logging.Logger):CONSTRUCTOR_REMOVED</exclude>