return [
            STSElement(self.root_name, elem)
            for elem in self.element.findall('sts:{}'.format(name), _STS_NS)
        ]

    def find(self, name):
        """Similar to ElementTree.Element.find()

        """
        elt = self.element.find('sts:{}'.format(name), _STS_NS)
        return STSElement(self.root_name, elt) if elt is not None else None

    def get_child_text(self, name, strict=True):

            :return: dict
            """
            root = STSElement.fromstring(
                'AssumeRoleWithClientGrantsResponse', data)
            result = root.find('AssumeRoleWithClientGrantsResult')
            creds = result.find('Credentials')
            return dict(
                access_key=creds.get_child_text('AccessKeyId'),
                secret_key=creds.get_child_text('SecretAccessKey'),