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<>());
                }

     *
     * @return null if there is no such tool chain.
     */
    @Nullable
    public static InstalledToolChain getDefaultToolChain() {
        for (ToolChainCandidate toolChain : getToolChains()) {
            if (toolChain.isAvailable()) {
                return (InstalledToolChain) toolChain;
            }
        }
        return null;
    }

    /**

    /**
     *
     * @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
     */
    @Deprecated
    void setMultiModuleProjectDirectory(File file);

    /**

        return this;
    }

    @Override
    public String getBuilderId() {
        return builderId;
    }

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

    @Override