c.items[key] = item
	}
	item.refMap[referencedFrom]++
}

func (c *objectCache) DeleteReference(namespace, name string, referencedFrom types.UID) {
	key := objectKey{namespace: namespace, name: name}

	c.lock.Lock()
	defer c.lock.Unlock()
	if item, ok := c.items[key]; ok {
		item.refMap[referencedFrom]--
		if item.refMap[referencedFrom] == 0 {
			delete(item.refMap, referencedFrom)
		}

						t.Errorf("reference to %v/%v from %v should exists", expect.ns, expect.name, expect.referencedFrom)
					}
				} else if item.refMap[expect.referencedFrom] != expect.expectCount {
					t.Errorf("expects %v but got %v", expect.expectCount, item.refMap[expect.referencedFrom])
				}
			}
		})
	}

// Res adds a new container to the inner pod with given resource map.
func (p *PodWrapper) Res(resMap map[v1.ResourceName]string) *PodWrapper {
	if len(resMap) == 0 {
		return p
	}

	name := fmt.Sprintf("con%d", len(p.Spec.Containers))
	p.Spec.Containers = append(p.Spec.Containers, MakeContainer().Name(name).Image(imageutils.GetPauseImageName()).Resources(resMap).Obj())
	return p
}

            return super.visitField(access, name, remap(desc), remap(signature), remap(value));
        }

        @Override
        public void visitInnerClass(String name, String outerName, String innerName, int access) {
            super.visitInnerClass(remap(name), remap(outerName), remap(innerName), access);
        }

        @Override

	h.mutex.RLock()
	defer h.mutex.RUnlock()

	// Make a copy before returning the value
	retMap := make(map[madmin.HealItemType]int64, len(h.scannedItemsMap))
	for k, v := range h.scannedItemsMap {
		retMap[k] = v
	}

	return retMap
}

// getHealedItemsMap - returns the map of all healed items against type

					info := *tt.info
					tt.info = &info
					tt.info.Name = remap(tt.info.Name, m)
					tt.info.Version = remap(tt.info.Version, m)
					tt.info.Short = remap(tt.info.Short, m)
				}
				tt.rev = remap(tt.rev, m)
				t.Run(path.Base(tt.repo)+"/"+tt.rev, runTest(tt))
				tt = old
			}
		}
	}
}

func remap(name string, m map[string]string) string {
	if m[name] != "" {
		return m[name]

				if alt == vgotest1hg {
					m = hgmap
				}
				altTest.version = remap(altTest.version, m)
				altTest.name = remap(altTest.name, m)
				altTest.short = remap(altTest.short, m)
				altTest.rev = remap(altTest.rev, m)
				altTest.err = remap(altTest.err, m)
				altTest.gomodErr = remap(altTest.gomodErr, m)
				altTest.zipErr = remap(altTest.zipErr, m)
				altTest.zipSum = ""
				altTest.zipFileHash = ""

func getIstioRevisions(resources *cluster2.Resources) []string {
	revMap := sets.New[string]()
	for _, podLabels := range resources.Labels {
		for label, value := range podLabels {
			if label == label2.IoIstioRev.Name {
				revMap.Insert(value)
			}
		}
	}
	for _, podAnnotations := range resources.Annotations {
		for annotation, value := range podAnnotations {

	}
	defaultSampleType := sTypes[0]
	reMap, needToModify := make([]int, len(sTypes)), false
	for i, st := range sTypes {
		if st == p.DefaultSampleType {
			defaultSampleType = p.DefaultSampleType
		}
		idx := searchValueType(p.SampleType, st)
		if idx < 0 {
			return fmt.Errorf("%q sample type is not found in profile", st)
		}
		reMap[i] = idx
		if idx != i {
			needToModify = true
		}
	}

You could also use it to generate code automatically, for clients that communicate with your API. For example, frontend, mobile or IoT applications.

## Recap, step by step

### Step 1: import `FastAPI`

```Python hl_lines="1"
{!../../../docs_src/first_steps/tutorial001.py!}
```

`FastAPI` is a Python class that provides all the functionality for your API.