private String convertOutputPath(String outputPath) {
        return outputPath.replace(FileSystems.getDefault().getSeparator(), "/");
    }
Maps annotation data to a plugin configuration node.

@param annotation instance of generator annotation to use to create the build config.
@return ObjectNode to use as plugin configuration node.
smithy-build/src/main/java/software/amazon/smithy/build/processor/SmithyAnnotationProcessor.java