assertEquals(0, channelInfo.getBytesSent());
        assertEquals(0, channelInfo.getBytesReceived());
        assertEquals(0, channelInfo.getRequestsSent());
        assertEquals(0, channelInfo.getErrors());

        channelInfo.addBytesSent(1000);
        channelInfo.addBytesReceived(2000);
        channelInfo.incrementRequestsSent();
        channelInfo.incrementErrors();

    private static final String EXTERNAL_WILDCARD = "external:*";

    private static final String EXTERNAL_HTTP_WILDCARD = "external:http:*";

    @Override
    public Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        String repoId = repository.getId();

        if (repoId != null && mirrors != null) {
            for (Mirror mirror : mirrors) {

     */
    public long getRequestsReceived() {
        return requestsReceived.get();
    }

    /**
     * Get number of errors
     *
     * @return error count
     */
    public long getErrors() {
        return errors.get();
    }

    /**
     * Add bytes sent
     *
     * @param bytes number of bytes
     */
    public void addBytesSent(long bytes) {

                            }
                            return null;
                        }

                        final List<String> errors = auth.getErrors();
                        if (!errors.isEmpty()) {
                            logger.warn("{}", errors.stream().collect(Collectors.joining(", ")));

    }

    @Override
    public List<ArtifactRepository> getEffectiveRepositories(List<ArtifactRepository> repositories) {
        return repositories;
    }

    @Override
    public Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        return null;
    }

    @Override
    public void injectAuthentication(List<ArtifactRepository> repositories, List<Server> servers) {}

        }
    }

    private static class MockSuggestDeleteResponse {
        public boolean hasError() {
            return false;
        }

        public List<Throwable> getErrors() {
            return new ArrayList<>();
        }
    }

     * @param mirrors The available mirrors, may be {@code null}.
     * @return The mirror specification for the repository or {@code null} if no mirror matched.
     */
    Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors);

    /**
     * Injects the mirroring information into the specified repositories. For each repository that is matched by a