@Override
    String getDocumentMediaType(Context context, Shape operationOrError, MessageType message) {
        return context.getConfig().getJsonContentType();
    }
Converts the {@code aws.protocols#restJson1} protocol to OpenAPI.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/protocols/AwsRestJson1Protocol.java