/**
     * Gets the artifact to resolve metadata for.
     *
     * @return The artifact to resolve metadata for or {@code null} if not set.
     */
    Artifact getArtifact();

    /**
     * Sets the artifact for which to resolve metadata.
     *
     * @param artifact The artifact for which to resolve metadata.
     * @return This request, never {@code null}.
     */

            throw new MimeTypeException("The filename or input stream is empty.");
        }

        final Metadata metadata = new Metadata();
        metadata.add(ExtractData.RESOURCE_NAME_KEY, normalizeFilename(filename));

        try {
            if (useFilename) {
                final MediaType mediaType = mimeTypes.detect(null, metadata);
                if (!MediaType.OCTET_STREAM.equals(mediaType)) {

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven local GAV level metadata generator.
 * <p>
 * Local snapshot metadata contains non-transformed snapshot version.
 */
class LocalSnapshotMetadataGenerator implements MetadataGenerator {

import org.jetbrains.kotlin.library.ToolingSingleFileKlibResolveStrategy
import org.jetbrains.kotlin.library.metadata.KlibMetadataProtoBuf
import org.jetbrains.kotlin.library.metadata.parseModuleHeader
import org.jetbrains.kotlin.library.metadata.parsePackageFragment
import org.jetbrains.kotlin.metadata.deserialization.NameResolverImpl
import org.jetbrains.kotlin.metadata.deserialization.getExtensionOrNull
import org.jetbrains.kotlin.name.ClassId

 * under the License.
 */
package org.apache.maven.artifact.metadata;

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;

/**

        return metadata.storedInGroupDirectory() ? "" : emptify(metadata.getArtifactId());
    }

    public String getVersion() {
        return metadata.storedInArtifactVersionDirectory() ? emptify(metadata.getBaseVersion()) : "";
    }

    public String getType() {
        return metadata.getRemoteFilename();
    }

    private String emptify(String string) {
        return (string != null) ? string : "";
    }

     */
    Metadata getMetadata();

    /**
     * Set the metadata contents.
     *
     * @param metadata the metadata
     */
    void setMetadata(Metadata metadata);

    /**
     * Whether this represents a snapshot.
     *
     * @return if it is a snapshot
     */
    boolean isSnapshot();

    /**

import java.util.Set;

import org.apache.tika.metadata.ClimateForcast;
import org.apache.tika.metadata.CreativeCommons;
import org.apache.tika.metadata.Geographic;
import org.apache.tika.metadata.HttpHeaders;
import org.apache.tika.metadata.Message;
import org.apache.tika.metadata.TIFF;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.metadata.TikaMimeKeys;
import org.apache.tika.parser.pdf.PDFParser;

        if (exception != null) {
            msg = ": " + exception.getMessage();
        }

        if (logger.isDebugEnabled()) {
            logger.warn("The metadata {} {}{}", metadata, errorType, msg, exception);
        } else {
            logger.warn("The metadata {} {}{}", metadata, errorType, msg);
        }
    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {

        JApiMethod method = (JApiMethod) member

        def metadata = KotlinMetadataQueries.INSTANCE

        def oldMethod = method.oldMethod.get()
        def newMethod = method.newMethod.get()

        def oldIsOperator = metadata.isKotlinOperatorFunction(oldMethod)
        def newIsOperator = metadata.isKotlinOperatorFunction(newMethod)

        def oldIsInfix = metadata.isKotlinInfixFunction(oldMethod)