def _build_qualifier_filters(options):
    """
    Build a dictionary defining the qualifier filters to be processes from
    their definitons in the Click options dictionary. There is an entry
    in the dictionary for each qualifier filter where the key is the
    association name and the value is True or False depending in the
    value of the option ('x' or 'no-x' )
    """
    qualifier_filters = {}
    if options['association'] is not None:
        # show_assoc = options['association']
        qualifier_filters['Association'] = options['association']
    if options['indication'] is not None:
        qualifier_filters['Indication'] = options['indication']
    if options['experimental'] is not None:
        qualifier_filters['Experimental'] = options['experimental']
    return qualifier_filters