muxRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
	if len(apiFunctions) > 0 {
		// Iterate the list of API functions requested for and register them in mux HTTP handler.
		registerAPIFunctions(muxRouter, objLayer, apiFunctions...)
		muxRouter.Use(globalMiddlewares...)
		return muxRouter
	}
	registerAPIRouter(muxRouter)
	muxRouter.Use(globalMiddlewares...)
	return muxRouter

func registerSTSRouter(router *mux.Router) {
	// Initialize STS.
	sts := &stsAPIHandlers{}

	// STS Router
	stsRouter := router.NewRoute().PathPrefix(SlashSeparator).Subrouter()

	// Assume roles with no JWT, handles AssumeRole.
	stsRouter.Methods(http.MethodPost).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {

		return errDiskNotFound
	}
	return err
}

// Abstracts a remote disk.
type storageRESTClient struct {
	endpoint   Endpoint
	restClient *rest.Client
	gridConn   *grid.Subroute
	diskID     atomic.Pointer[string]

	diskInfoCache *cachevalue.Cache[DiskInfo]
}

// Retrieve location indexes.
func (client *storageRESTClient) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {

  }

  private abstract static class ToReproduceGenericSignatureFormatError<V> {
    private abstract class BaseOuter {
      abstract class BaseInner {}
    }

    private abstract class SubOuter extends BaseOuter {
      private abstract class SubInner extends BaseInner {}
    }
  }

  // For Guava bug https://github.com/google/guava/issues/1025

  }

  private abstract static class ToReproduceGenericSignatureFormatError<V> {
    private abstract class BaseOuter {
      abstract class BaseInner {}
    }

    private abstract class SubOuter extends BaseOuter {
      private abstract class SubInner extends BaseInner {}
    }
  }

  // For Guava bug https://github.com/google/guava/issues/1025