private volatile @Nullable Cancellable runningTask;
    private volatile @Nullable ScheduledExecutorService executorService;

    // This lock protects the task so we can ensure that none of the template methods (startUp,
    // shutDown or runOneIteration) run concurrently with one another.
    // TODO(lukes): why don't we use ListenableFuture to sequence things? Then we could drop the
    // lock.

Used by Starlette:

* [`httpx`](https://www.python-httpx.org) - Required if you want to use the `TestClient`.
* [`jinja2`](https://jinja.palletsprojects.com) - Required if you want to use the default template configuration.

---
jjbb-template: periodic-trigger-lgc.yml
vars:
  - periodic-job: elastic+elasticsearch+%BRANCH%+periodic+java-matrix
  - lgc-job: elastic+elasticsearch+%BRANCH%+intake

* die Leistungsoptimierung

* der Rückgabetyp
* der Rückgabewert

* die Sicherheit
* das Sicherheitsschema

* der Task
* der Hintergrundtask
* die Taskfunktion

* das Template
* die Template-Engine

* die Typannotation
* der Typhinweis

* der Serverworker
* der Uvicorn-Worker
* der Gunicorn-Worker
* der Workerprozess
* die Workerklasse
* die Workload

* the performance optimization

* the return type
* the return value

* the security
* the security scheme

* the task
* the background task
* the task function

* the template
* the template engine

* the type annotation
* the type hint

* the server worker
* the Uvicorn worker
* the Gunicorn Worker
* the worker process
* the worker class
* the workload

* GitHub issue

* performance
* performance optimization

* return type
* return value

* security
* security scheme

* task
* background task
* task function

* template
* template engine

* type annotation
* type hint

* server worker
* Uvicorn worker
* Gunicorn Worker
* worker process
* worker class
* workload

* deployment
* deploy etmek

pkg syscall (windows-amd64), type CertTrustListInfo struct
pkg syscall (windows-amd64), type Pointer *struct
pkg syscall, const ImplementsGetwd = true

pkg encoding/xml, type TokenReader interface, Token() (Token, error)
pkg flag, method (*FlagSet) ErrorHandling() ErrorHandling
pkg flag, method (*FlagSet) Name() string
pkg flag, method (*FlagSet) Output() io.Writer
pkg html/template, type Srcset string
pkg math, func Erfcinv(float64) float64
pkg math, func Erfinv(float64) float64
pkg math, func Round(float64) float64
pkg math, func RoundToEven(float64) float64
pkg math/big, const MaxBase = 62

    String JOB_TEMPLATE_TITLE_WEB = "job.template.title.web";

    /** The key of the configuration. e.g. File Crawler - {0} */
    String JOB_TEMPLATE_TITLE_FILE = "job.template.title.file";

    /** The key of the configuration. e.g. Data Crawler - {0} */
    String JOB_TEMPLATE_TITLE_DATA = "job.template.title.data";

/// tip | Dica

Existe um gerador de projetos oficial com **FastAPI** e **PostgreSQL** incluindo um frontend e mais ferramentas: [https://github.com/fastapi/full-stack-fastapi-template](https://github.com/fastapi/full-stack-fastapi-template)

///