@Override
    public Set<String> getProtocolResponseHeaders(Context<RestJson1Trait> context, OperationShape operationShape) {
        Set<String> headers = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
        headers.addAll(super.getProtocolResponseHeaders(context, operationShape));
        headers.addAll(AWS_RESPONSE_HEADERS);
        return headers;
    }
Converts the {@code aws.protocols#restJson1} protocol to OpenAPI.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/protocols/AwsRestJson1Protocol.java