HasConstraint(dst interface{}, name string) bool

	// Indexes
	CreateIndex(dst interface{}, name string) error
	DropIndex(dst interface{}, name string) error
	HasIndex(dst interface{}, name string) bool
	RenameIndex(dst interface{}, oldName, newName string) error
	GetIndexes(dst interface{}) ([]Index, error)

        assertEscapePattern("", "# Test");
        assertEscapePattern(".*\\Q!/\\E.*", "!/");
        assertEscapePattern("\\Qindex.html\\E", "index.html");
        assertEscapePattern("^\\Qhttp://\\E.*", "^http://");
        assertEscapePattern(".*\\Qindex.html\\E$", "index.html$");
        assertEscapePattern("^\\Qhttp://www.codelibs.org/page.html\\E$", "^http://www.codelibs.org/page.html$");

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* [**ReDoc**](https://github.com/Rebilly/ReDoc) ile alternatif API dokümantasyonu.

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### Sadece Modern Python { #just-modern-python }

@defaultMessage Reference management is tricky, leave it to SearcherManager
org.apache.lucene.index.IndexReader#decRef()
org.apache.lucene.index.IndexReader#incRef()
org.apache.lucene.index.IndexReader#tryIncRef()

@defaultMessage Only use wait / notify when really needed try to use concurrency primitives, latches or callbacks instead.
java.lang.Object#wait()

        // Fail 3 times to open circuit
        for (int i = 0; i < 3; i++) {
            final int index = i;
            try {
                circuitBreaker.executeWithCircuitBreaker(() -> {
                    throw new RuntimeException("Test failure " + index);
                });
                fail("Should have thrown exception");
            } catch (CIFSException e) {
                // Expected

          },
          "updatedTime" : {
            "type" : "long"
          },
          "username" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021053135",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "-gono3d2R0KP5po-ggBr0A",
        "version" : {
          "created" : "6000051"

![Interacción Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Documentación alternativa de API con [**ReDoc**](https://github.com/Rebilly/ReDoc).

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### Solo Python moderno { #just-modern-python }

    @ParametricNullness
    public V get(int index) {
      refreshIfEmpty();
      return getListDelegate().get(index);
    }

    @Override
    @ParametricNullness
    public V set(int index, @ParametricNullness V element) {
      refreshIfEmpty();
      return getListDelegate().set(index, element);
    }

    @Override
    public void add(int index, @ParametricNullness V element) {
      refreshIfEmpty();

          public int size() {
            return list.size();
          }

          @Override
          public String get(int index) {
            if (index < 2) {
              throw new AssertionError();
            }
            return list.get(index);
          }
        };

    EvictingQueue<String> queue = EvictingQueue.create(3);
    assertTrue(queue.addAll(misbehavingList));

          },
          "value" : {
            "type" : "keyword"
          },
          "virtualHost" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "dbflute" : {
          "label_type" : {
            "properties" : {
              "permissions" : {
                "array" : "true"
              }
            }
          }
        },