## Parameterized dependencies { #parameterized-dependencies }

All the dependencies we have seen are a fixed function or class.

But there could be cases where you want to be able to set parameters on the dependency, without having to declare many different functions or classes.

Let's imagine that we want to have a dependency that checks if the query parameter `q` contains some fixed content.

import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Multimap}.
 *
 * @author Louis Wasserman
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MultimapFeature implements Feature<Multimap> {

    // The local repository for this category of tests
    // ----------------------------------------------------------------------

    protected File getLocalRepositoryPath() {
        return getTestFile("target/test-classes/inheritance-repo/" + getTestSeries());
    }

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();
        EmptyLifecycleBindingsInjector.useEmpty();
    }

/**
 * Abstract base class for tests that EventBus finds the correct subscribers.
 *
 * <p>The actual tests are distributed among the other classes in this package based on whether they
 * are annotated or abstract in the superclass.
 *
 * <p>This test must be outside the c.g.c.eventbus package to test correctly.
 *
 * @author Louis Wasserman
 */
abstract class AbstractEventBusTest<H> extends TestCase {

import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Set}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {

 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Provides the API for the Maven Password Encryption tool ({@code mvnenc}).
 *
 * <p>This package contains interfaces and classes for the password encryption tool,
 * which helps secure sensitive information in Maven settings and configuration files.</p>
 *
 * <p>Key features include:</p>
 * <ul>
 *   <li>Password encryption and decryption</li>

 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Provides the API for the Maven Upgrade tool ({@code mvnup}).
 *
 * <p>This package contains interfaces and classes for the Maven upgrade tool,
 * which provides functionality for upgrading Maven projects and dependencies.</p>
 *
 * <p>Key features include:</p>
 * <ul>
 *   <li>Project upgrade capabilities</li>

    }
  }

  @Override
  protected void tearDown() {
    stack.runTearDown();
  }

  static final Exception EXCEPTION = new Exception();

  static final class ExampleClassUnderTest {
    static final Logger logger = Logger.getLogger(ExampleClassUnderTest.class.getName());

    static void foo() {
      logger.log(Level.INFO, "message", EXCEPTION);
    }

    private ExampleClassUnderTest() {}
  }

import org.jspecify.annotations.Nullable;

/**
 * Provides static methods for serializing collection classes.
 *
 * <p>This class assists the implementation of collection classes. Do not use this class to
 * serialize collections that are defined elsewhere.
 *
 * @author Jared Levy
 */
@GwtIncompatible
@J2ktIncompatible
final class Serialization {
  private Serialization() {}

  /**

  </description>
  <defaults>
    <default>
      <key>package</key>
      <value>org.apache.maven.artifact.repository.metadata</value>
    </default>
  </defaults>
  <classes>
    <class rootElement="true" xml.tagName="metadata" java.clone="deep">
      <name>Metadata</name>
      <version>1.0.0+</version>
      <fields>
        <field xml.attribute="true" xml.tagName="modelVersion">