import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Target(ANNOTATION_TYPE)
@Retention(RUNTIME)
@Documented

    @Override
    public <T> Supplier<T> scope(org.apache.maven.di.Key<T> key, Annotation scope, Supplier<T> unscoped) {
        Object qualifier = key.getQualifier();
        Key k = qualifier != null
                ? Key.get(key.getType(), qualifier instanceof String s ? Names.named(s) : (Annotation) qualifier)
                : Key.get(key.getType());
        Provider<T> up = unscoped::get;
        Provider<T> p = scope(k, up);

    private final Type type;
    private final @Nullable Object qualifier;

    private int hash;

    protected Key() {
        this(null);
    }

    protected Key(@Nullable Object qualifier) {
        this.type = Types.simplifyType(getTypeParameter());
        this.qualifier = qualifier;
    }

    protected Key(Type type, @Nullable Object qualifier) {
        this.type = Types.simplifyType(type);

            String version = artifact.getVersion();

            if (version.endsWith(SNAPSHOT)) {
                String qualifier = snapshot.getTimestamp() + '-' + snapshot.getBuildNumber();
                version = version.substring(0, version.length() - SNAPSHOT.length()) + qualifier;
            }

            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());

        assertNotNull(mojo);
        assertInstanceOf(QualifierTest.MyQualifiedServiceImpl.class, mojo.service);
    }

    static class QualifierTest {
        @Qualifier
        @Retention(RUNTIME)
        @interface MyQualifier {}

        interface MyService {}

        @Named
        @Priority(10)
        static class MyNamedServiceImpl implements MyService {}

            String version = artifact.getVersion();

            if (version.endsWith(SNAPSHOT)) {
                String qualifier = snapshot.getTimestamp() + '-' + snapshot.getBuildNumber();
                version = version.substring(0, version.length() - SNAPSHOT.length()) + qualifier;
            }

            SnapshotVersion sv = SnapshotVersion.newBuilder()
                    .classifier(artifact.getClassifier())

    @Override
    public <T> Supplier<T> scope(org.apache.maven.di.Key<T> key, Annotation scope, Supplier<T> unscoped) {
        Object qualifier = key.getQualifier();
        Key<?> k = qualifier != null
                ? Key.get(key.getType(), qualifier instanceof String s ? Names.named(s) : (Annotation) qualifier)
                : Key.get(key.getType());
        Provider<T> up = unscoped::get;
        Provider<T> p = scope((Key<T>) k, up);

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Qualifier
@Retention(RUNTIME)
@Documented
public @interface Named {
    String value() default "";