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");

 * 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;

              <exclude>org.apache.maven.toolchain.RequirementMatcherFactory</exclude>
              <exclude>org.apache.maven.toolchain.Toolchain</exclude>
              <exclude>org.apache.maven.toolchain.ToolchainFactory</exclude>
              <exclude>org.apache.maven.toolchain.ToolchainManager</exclude>
              <exclude>org.apache.maven.toolchain.ToolchainManagerPrivate</exclude>

        try (Writer out = output) {
            new MavenToolchainsStaxWriter().write(out, toolchains.getDelegate());
        } catch (XMLStreamException e) {
            throw new IOException("Error writing toolchains", e);
        }
    }

        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() {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.toolchain;

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

/**
 * Internal toolchain factory, to prepare toolchains instances.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainFactory} instead.
 */
@Deprecated(since = "4.0.0")

under the License.
-->

<toolchains>
  <toolchain>
     <type>basic</type>
     <configuration>
       <global>true</global>
     </configuration>
  </toolchain>
  <toolchain>
     <type>rare</type>
     <configuration>
       <global>true</global>
     </configuration>
  </toolchain>

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

import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;

import org.apache.maven.toolchain.io.DefaultToolchainsReader;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.model.TrackableBase;
import org.codehaus.plexus.util.xml.Xpp3Dom;

     * @return the toolchain selected by <code>maven-toolchains-plugin</code>
     */
    Toolchain getToolchainFromBuildContext(String type, MavenSession context);

    /**
     * Select all toolchains available in user settings matching the type and requirements,
     * independently from <code>maven-toolchains-plugin</code>.
     *
     * @param session the Maven session, must not be {@code null}

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

import org.apache.maven.execution.MavenSession;

/**
 * Component for use by the <code>maven-toolchains-plugin</code> only.
 * It provides API: <ol>
 * <li>to retrieve every toolchains available in user settings,</li>
 * <li>to store chosen toolchain into build context for later use by toolchain-aware plugins.</li>
 * </ol>
 *
 * @since 2.0.9