default String getOperationResponseStatusCode(Context<T> context, ToShapeId operationOrError) {
        return String.valueOf(HttpBindingIndex.of(context.getModel()).getResponseCode(operationOrError));
    }
Gets the response status code of an operation or error shape.

<p>The default implementation will attempt to use HTTP binding traits
to determine the HTTP status code of an operation or error structure.

@param context The build context.
@param operationOrError Operation or error shape ID.
@return Returns the status code as a string.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/OpenApiProtocol.java