*/
package org.apache.maven.toolchain;

/**
 *
 */
@Deprecated(since = "4.0.0")
public class MisconfiguredToolchainException extends Exception {

    public MisconfiguredToolchainException(String message) {
        super(message);
    }

    public MisconfiguredToolchainException(String message, Throwable orig) {
        super(message, orig);
    }

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map.Entry;
import java.util.Properties;

import org.apache.maven.toolchain.MisconfiguredToolchainException;
import org.apache.maven.toolchain.RequirementMatcher;
import org.apache.maven.toolchain.RequirementMatcherFactory;
import org.apache.maven.toolchain.ToolchainFactory;

     *         not exist.
     * @throws MisconfiguredToolchainException If the toolchain file exists but cannot be parsed.
     */
    PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException;

public class DefaultToolchainsBuilder implements ToolchainsBuilder {
    private final Logger logger = LoggerFactory.getLogger(getClass());

    @Override
    public PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException {
        PersistedToolchains toolchains = null;

        if (userToolchainsFile != null && userToolchainsFile.isFile()) {
            try (InputStream in = Files.newInputStream(userToolchainsFile.toPath())) {

                    try {
                        return getToolchainV4(v3Factory.createToolchain(new ToolchainModel(model)));
                    } catch (MisconfiguredToolchainException e) {
                        throw new RuntimeException(e);
                    }
                }

                @Nonnull
                @Override

 */
@Deprecated(since = "4.0.0")
public interface ToolchainFactory {
    /**
     * Create instance of toolchain.
     **/
    ToolchainPrivate createToolchain(ToolchainModel model) throws MisconfiguredToolchainException;

    /**
     * Returns the default instance of the particular type of toolchain, can return <code>null</code>
     * if not applicable.
     * TODO keep around??
     **/

     * @since 3.0 (addition of the <code>MavenSession</code> parameter)
     */
    ToolchainPrivate[] getToolchainsForType(String type, MavenSession context) throws MisconfiguredToolchainException;

    /**
     * Stores the toolchain into build context for later use by toolchain-aware plugins.
     *
     * @param toolchain the toolchain to store, must not be {@code null}