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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate_check_configs(cls, config):
 """ Config validation specific to the health check options. Verifies that checks are defined along with an interval, and calls out to the `Check` class to make sure each individual check's config is valid. """

        if "checks" not in config:
            raise ValueError("No checks defined.")
        if "interval" not in config["checks"]:
            raise ValueError("No check interval defined.")

        for check_name, check_config in six.iteritems(config["checks"]):
            if check_name == "interval":
                continue

            Check.from_config(check_name, check_config)