def has_local_job_refs(io_hash):
    '''
    :param io_hash: input/output hash
    :type io_hash: dict
    :returns: boolean indicating whether any job-based object references are found in *io_hash*
    '''
    q = []

    for field in io_hash:
        if is_job_ref(io_hash[field]):
            if get_job_from_jbor(io_hash[field]).startswith('localjob'):
                return True
        elif isinstance(io_hash[field], list) or isinstance(io_hash[field], dict):
            q.append(io_hash[field])

    while len(q) > 0:
        thing = q.pop()
        if isinstance(thing, list):
            for i in range(len(thing)):
                if is_job_ref(thing[i]):
                    if get_job_from_jbor(thing[i]).startswith('localjob'):
                        return True
                elif isinstance(thing[i], list) or isinstance(thing[i], dict):
                    q.append(thing[i])
        else:
            for field in thing:
                if is_job_ref(thing[field]):
                    if get_job_from_jbor(thing[field]).startswith('localjob'):
                        return True
                elif isinstance(thing[field], list) or isinstance(thing[field], dict):
                    q.append(thing[field])

    return False