URI uri = toUri(project.getRootDir(), file, commitId);
                    sourceLinkSpec.getRemoteUrl().set(uri);
                    sourceLinkSpec.getRemoteLineSuffix().set("#L");
                    spec.getSourceLinks().add(sourceLinkSpec);
                }
            );
    }

    private static URI toUri(File projectRootDir, File file, String commitId) {

        File gradleRuntimeApiInfoJar = from.filter(file -> file.getName().startsWith(gradleApiInfoJarPrefix)).getSingleFile();
        URI uri = URI.create("jar:" + gradleRuntimeApiInfoJar.getAbsoluteFile().toURI());
        try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {
            Path upgradedPropertiesJson = fs.getPath(UPGRADED_PROPERTIES_FILE);
            if (Files.exists(upgradedPropertiesJson)) {

import org.gradle.api.provider.Property;

import java.net.URI;

/**
 * Configuration for generating Javadocs
 */
public abstract class Javadocs {
    /**
     * Link to Java API to use when generating Javadoc
     */
    public abstract Property<URI> getJavaApi();

    /**
     * Link to Groovy API to use when generating Javadoc
     */
    public abstract Property<URI> getGroovyApi();

    /**