def extract_gamma_gamma_params(model):
    """Extracts params from the Gamma-Gamma model.

    Args:
        model: the Gamma-Gamma model.

    Returns:
        The p, q and v params of the Gamma-Gamma model.
    """
    p, q, v = model._unload_params('p', 'q', 'v')
    params = {
        'p': p,
        'q': q,
        'v': v,
    }
    return params