return true;
    }

    /**
     * Removes a session.
     *
     * @param sessionId the session ID
     * @return the removed session, or null if not found
     */
    public ChatSession removeSession(final String sessionId) {
        final ChatSession session = sessionCache.remove(sessionId);
        if (logger.isDebugEnabled()) {

        for (String version : versioning.getVersions()) {
            if (!remoteRepository.getPolicy(ArtifactUtils.isSnapshot(version)).isEnabled()) {
                filteredVersions.removeVersion(version);
            }
        }

        return filteredVersions;
    }

    private void invalidMetadata(
            RepositorySystemSession session,
            RequestTrace trace,