@staticmethod
def get_quota_policy(response_content):
    """Get quota policy from HTTP response."""
    quota = []
    if response_content != '':
        if 'QPS' in list(response_content.keys()):
            quota.qps = response_content['QPS']
        if 'ThroughPut' in list(response_content.keys()):
            quota.thoughPut = response_content['ThoughPut']
        return quota
    return None
