@Override
    public byte getOrder() {
        return -128;
    }
Checks for prefix headers in the input or output of an operation,
and handles the settings for throwing an exception or warning if
they're found.

<p>Custom values for this setting need to be handled in a
{@link OpenApiProtocol}.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/mappers/CheckForPrefixHeaders.java