interpolator.addValueSource(vs);
        }
        for (InterpolationPostProcessor postProcessor : postProcessors) {
            interpolator.addPostProcessor(postProcessor);
        }
        final RecursionInterceptor recursionInterceptor = createRecursionInterceptor(config);
        return value -> {
            if (value != null && value.contains("${")) {
                String c = cache.get(value);
                if (c == null) {

// the command expects a regexp parameter (typically a function name).
type command struct {
	format      int           // report format to generate
	postProcess PostProcessor // postprocessing to run on report
	visualizer  PostProcessor // display output using some callback
	hasParam    bool          // collect a parameter from the CLI
	description string        // single-line description text saying what the command does

        for (RequestPostProcessorExtension postProcessor : getExtensionsByType(RequestPostProcessorExtension.class)) {
            requests = requests.stream().flatMap(request -> postProcessor.postProcessRequest(request).stream()).collect(Collectors.toList());
        }
        return requests;
    }

            interpolator.addValueSource(vs);
        }
        for (InterpolationPostProcessor postProcessor : postProcessors) {
            interpolator.addPostProcessor(postProcessor);
        }
        RecursionInterceptor recursionInterceptor = createRecursionInterceptor(request);
        return value -> {
            if (value != null && value.contains("${")) {
                String c = cache.get(value);
                if (c == null) {

            }
        }
    }

    private static class PostProcessors implements BuildOperationTracker {
        private final List<OperationResultPostProcessor> processors;

        public PostProcessors(List<OperationResultPostProcessor> processors) {
            this.processors = processors;
        }

        @Override

        operationDependenciesResolver.addLookup(transformOperationMapper);

        List<OperationResultPostProcessor> postProcessors = createPostProcessors(subscriptions, consumer);

        TaskOperationMapper taskOperationMapper = new TaskOperationMapper(postProcessors, taskOriginTracker, operationDependenciesResolver);
        operationDependenciesResolver.addLookup(taskOperationMapper);

<5> *Consume Output*: The `postProcess` task depends on the output of the `process` task due to using that task's outputs as its own inputs.

	default:
		err = report.Generate(dst, rpt, o.Obj)
	}
	if err != nil {
		return err
	}
	src := dst

	// If necessary, perform any data post-processing.
	if c.postProcess != nil {
		dst = new(bytes.Buffer)
		if err := c.postProcess(src, dst, o.UI); err != nil {
			return err
		}
		src = dst
	}

	// If no output is specified, use default visualizer.
	output := cfg.Output
	if output == "" {

//     and create a Placeholder node as dst node's input.
Status PreprocessEdgesBetweenOutsideCompilations(
    Graph* g, const string& outside_compilation_attr_name);

// Postprocesses edges within the same XLA cluster. This function reverts what
// `PreprocessEdgesBetweenOutsideCompilations` did. It will perform the
// following operations in order:
//

// each explored sub-index and sub-property during validation.
//
// It's main job is to keep the old/new values correlated as the traversal
// continues, and postprocess errors according to our ratcheting policy.
//
// ratchetingValueValidator is not thread safe.
type ratchetingValueValidator struct {
	// schemaArgs provides the arguments to use in the temporary SchemaValidator