return &RingBuffer{
		buf:  b,
		size: len(b),
	}
}

// SetBlocking sets the blocking mode of the ring buffer.
// If block is true, Read and Write will block when there is no data to read or no space to write.
// If block is false, Read and Write will return ErrIsEmpty or ErrIsFull immediately.
// By default, the ring buffer is not blocking.

import java.nio.channels.*;
import java.util.Properties;

public class MavenWrapperDownloader {

    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

        // Find and load the root POM
        Path rootPomPath = startDirectory.resolve(POM_XML);
        if (!Files.exists(rootPomPath)) {
            throw new IOException("No pom.xml found in directory: " + startDirectory);
        }

        Document rootPom = loadPom(rootPomPath);
        pomMap.put(rootPomPath, rootPom);

        // Recursively discover modules

The `TestClient` is based on <a href="https://www.python-httpx.org" class="external-link" target="_blank">HTTPX</a>, and luckily, we can use it directly to test the API.

                        true));

        // Verify that we get the same exception when the artifactId does not match the module name
        assertExceptionMessageContains("", "anotherArtifact");

        // Verify that no exception is thrown when the artifactId is the module name
        when(artifact.getArtifactId()).thenReturn("org.foo.bar");
        projectManager.attachArtifact(project, artifact, artifactPath);

    void setUp() throws Exception {
        testDirectory = new File(getBasedir(), BASE_POM_DIR);
    }

    @Test
    void testSettingsNoPom() throws Exception {
        PomTestWrapper pom = buildPom("settings-no-pom");
        assertEquals("local-profile-prop-value", pom.getValue("properties/local-profile-prop"));
    }

    /**
     * MNG-4107
     */
    @Test
    void testPomAndSettingsInterpolation() throws Exception {

     *
     * @param coordinates The {@link ArtifactCoordinates} identifying the artifact.
     * @return The corresponding {@link ResultItem}, or {@code null} if no result exists.
     */
    default ResultItem getResult(ArtifactCoordinates coordinates) {
        return getResults().get(coordinates);
    }

    /**
     * Represents an individual resolution result for an artifact.

		expectedErr error
	}{
		// Set valid authorization header.
		{
			req: &http.Request{
				Header: http.Header{
					"Authorization": []string{token},
				},
			},
			expectedErr: nil,
		},
		// No authorization header.
		{
			req: &http.Request{
				Header: http.Header{},
			},
			expectedErr: errNoAuthToken,
		},
		// Invalid authorization token.
		{
			req: &http.Request{
				Header: http.Header{

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Call site replication hook.
	//
	// We encode the xml bytes as base64 to ensure there are no encoding
	// errors.
	cfgStr := base64.StdEncoding.EncodeToString(configData)
	replLogIf(ctx, globalSiteReplicationSys.BucketMetaHook(ctx, madmin.SRBucketMeta{
		Type:       madmin.SRBucketMetaTypeVersionConfig,

            PropertyMetaData property = classDoc.getClassMetaData().findProperty(propName);
            if (property == null) {
                throw new RuntimeException(String.format("No metadata for property '%s.%s'. Available properties: %s", classDoc.getName(), propName, classDoc.getClassMetaData().getPropertyNames()));
            }