* <pre>
 * Toolchain toolchain = ...; // Obtain a Toolchain instance
 * String type = toolchain.getType(); // Get the type of the toolchain
 * String version = toolchain.getVersion(); // Get the version of the toolchain
 * </pre>
 *
 *
 * @since 4.0.0
 * @see JavaToolchain
 * @see org.apache.maven.api.services.ToolchainManager
 */
@Experimental
public interface Toolchain {
    /**

 * under the License.
 */
package org.apache.maven.toolchain;

/**
 * Toolchain interface.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public interface Toolchain {

    /**
     * get the type of toolchain.
     *
     * @return the toolchain type
     */
    String getType();

    /**

Dmitri Shuralyov <******@****.***> 1754698847 -0400

     * @param type The type of toolchain to retrieve
     * @return Optional containing the toolchain if found
     * @throws ToolchainManagerException if toolchain retrieval fails
     */
    @Nonnull
    Optional<Toolchain> getToolchainFromBuildContext(@Nonnull Session session, @Nonnull String type)
            throws ToolchainManagerException;

    /**
     * Stores a toolchain in the build context for later retrieval.
     *

  xml.namespace="http://maven.apache.org/TOOLCHAINS/${version}"
  xml.schemaLocation="https://maven.apache.org/xsd/toolchains-${version}.xsd">
  <id>toolchains</id>
  <name>MavenToolchains</name>
  <description><![CDATA[
    This is a reference for the Maven Toolchains descriptor.
    <p>The default location for the toolchains file is {@code ~/.m2/toolchains.xml}

 * under the License.
 */
package org.apache.maven.toolchain;

import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;

import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**

 * based on toolchain model configurations or default settings.</p>
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface ToolchainFactory {
    /**
     * Creates a toolchain instance from the provided model configuration.
     *
     * @param model The toolchain configuration model
     * @return A configured toolchain instance
     * @throws ToolchainFactoryException if toolchain creation fails

 * under the License.
 */
package org.apache.maven.toolchain.java;

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;

 * under the License.
 */
package org.apache.maven.toolchain;

import java.util.Map;

import org.apache.maven.toolchain.model.ToolchainModel;

/**
 * a private contract between the toolchains plugin and the components.
 *
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public interface ToolchainPrivate extends Toolchain {

    /**

        assertFalse(toolchain.matchesRequirements(Collections.singletonMap("name", "John Doe")));
        verify(logger).debug("Toolchain {} is missing required property: {}", toolchain, "name");
    }

    @Test
    void testNonMatchingRequirementProperty() {
        ToolchainModel model = new ToolchainModel();
        model.setType("TYPE");