}

    @Override
    public FlatDirectoryArtifactRepository flatDir(Action<? super FlatDirectoryArtifactRepository> action) {
        return addRepository(repositoryFactory.createFlatDirRepository(), FLAT_DIR_DEFAULT_NAME, action);
    }

    @Override
    @SuppressWarnings("rawtypes")
    public FlatDirectoryArtifactRepository flatDir(Closure configureClosure) {

     * are specified.
     */
    FlatDirectoryArtifactRepository flatDir(Map<String, ?> args);

    /**
     * Adds and configures a repository which will look for dependencies in a number of local directories.
     *
     * @param configureClosure The closure to execute to configure the repository.
     * @return The repository.
     */

Method <org.gradle.api.artifacts.repositories.FlatDirectoryArtifactRepository.getDirs()> does not have raw return type assignable to org.gradle.api.provider.Property in (FlatDirectoryArtifactRepository.java:0)