def is_json_validation_enabled(schema_keyword, configuration=None):
    """Returns true if JSON schema validation is enabled for the specified
    validation keyword. This can be used to skip JSON schema structural validation
    as requested in the configuration.

    Args:
        schema_keyword (string): the name of a JSON schema validation keyword.
        configuration (Configuration): the configuration class.
    """

    return (configuration is None or
        not hasattr(configuration, '_disabled_client_side_validations') or
        schema_keyword not in configuration._disabled_client_side_validations)