```Python hl_lines="9"
{!../../../docs_src/query_params/tutorial001.py!}
```

A consulta é o conjunto de pares chave-valor que vai depois de `?` na URL, separado pelo caractere `&`.

Por exemplo, na URL:

```
http://127.0.0.1:8000/items/?skip=0&limit=10
```

...os parâmetros da consulta são:

    public ClassLoader getClassLoaderFor(ClassLoaderSpec spec, List<? extends ClassLoader> parents) {
        if (spec instanceof VisitableURLClassLoader.Spec) {
            VisitableURLClassLoader.Spec clSpec = (VisitableURLClassLoader.Spec) spec;
            if (parents.size() != 1) {
                throw new IllegalStateException("Expected exactly one parent ClassLoader");
            }

        ServiceRegistry... parents
    ) {
        ServiceRegistryBuilder builder = ServiceRegistryBuilder.builder()
            .scopeStrictly(Scope.Global.class)
            .displayName("Global services")
            .provider(new GlobalScopeServices(longLiving, agentStatus, additionalModuleClassPath))
            .provider(new BuildProcessScopeServices());
        for (ServiceRegistry parent : parents) {

	}

	return nil
}

// Reliably retries os.MkdirAll if for some reason os.MkdirAll returns
// syscall.ENOENT (parent does not exist).
func reliableMkdirAll(dirPath string, mode os.FileMode, baseDir string) (err error) {
	i := 0
	for {
		// Creates all the parent directories, with mode 0777 mkdir honors system umask.
		if err = osMkdirAll(dirPath, mode, baseDir); err != nil {

        public ClassLoader transform(ClassLoaderDetails details) {
            List<ClassLoader> parents = new ArrayList<ClassLoader>();
            for (ClassLoaderDetails parentDetails : details.parents) {
                parents.add(getClassLoader(parentDetails));
            }
            if (parents.isEmpty()) {
                parents.add(classLoaderFactory.getClassLoaderFor(SystemClassLoaderSpec.INSTANCE, ImmutableList.of()));
            }

            }
        }
        return urls;
    }

    private ClassLoader createClassLoaderForClassPath(String name, List<? extends ClassLoader> parents, List<URL> classpath) {
        if (parents.size() != 1) {
            throw new IllegalStateException("Expected exactly one parent ClassLoader");
        }

        // convert the file urls to cached jar files

            Object parentId = event.getParentId();
            if (parentId == null) {
                //if we don't know the parent we will use the top suite
                //this way we always have and id to attach logging events for
                parentId = rootId;
            }
            parents.put(test.getId(), parentId);
        }
    }

    @Override
    public void completed(Object testId, TestCompleteEvent event) {

    @Override
    List<BuildOperationRecord> parentsOf(BuildOperationRecord child) {
        def parents = []
        def parentId = child.parentId
        while (parentId != null) {
            def parent = operations.records.get(parentId)
            parents.add(0, parent)
            parentId = parent.parentId
        }
        return parents
    }

    @Override
    void none(Pattern displayName) {

		i--
	}
	if i < 0 {
		i = 0
	}

	// If there is a parent directory, and it is not the volume name,
	// recurse to ensure parent directory exists.
	if parent := path[:i]; len(parent) > len(filepathlite.VolumeName(path)) {
		err = MkdirAll(parent, perm)
		if err != nil {
			return err
		}
	}

	// Parent now exists; invoke Mkdir and use its result.
	err = Mkdir(path, perm)
	if err != nil {

		return specific.ScalarBaseMult(k)
	}

	return curve.ScalarMult(curve.Gx, curve.Gy, k)
}

func matchesSpecificCurve(params *CurveParams) (Curve, bool) {
	for _, c := range []Curve{p224, p256, p384, p521} {
		if params == c.Params() {
			return c, true
		}
	}
	return nil, false