Replaces an attachment and returns it.

        :param str attachment_link:
            The link to the attachment.
        :param dict attachment:
        :param dict options:
            The request options for the request.

        :return:
            The replaced Attachment
        :rtype:
            dict

def ReplaceAttachment(self, attachment_link, attachment, options=None):
        """Replaces an attachment and returns it.

        :param str attachment_link:
            The link to the attachment.
        :param dict attachment:
        :param dict options:
            The request options for the request.

        :return:
            The replaced Attachment
        :rtype:
            dict

        """
        if options is None:
            options = {}

        CosmosClient.__ValidateResource(attachment)
        path = base.GetPathFromLink(attachment_link)
        attachment_id = base.GetResourceIdOrFullNameFromLink(attachment_link)
        return self.Replace(attachment,
                            path,
                            'attachments',
                            attachment_id,
                            None,
                            options)