}

func mainHandler(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(r.Body)
	if err != nil {
		writeErrorResponse(w, err)
		return
	}

	var out bytes.Buffer
	json.Indent(&out, body, "", "  ")
	fmt.Printf("Received JSON payload:\n%s\n", out.String())

	reqMap := make(map[string]interface{})
	err = json.Unmarshal(body, &reqMap)
	if err != nil {
		writeErrorResponse(w, err)
		return

    attributes:
      label: Go version
      description: |
        What version of Go are you using (`go version`)?

        Note: we only [support](https://go.dev/doc/devel/release#policy) the two most recent major releases.
      placeholder: ex. go version go1.20.7 darwin/arm64
    validations:
      required: true

  - type: textarea
    id: go-env
    attributes:

import java.util.Collection;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@link ForwardingCollection}.
 *
 * @author Robert Konigsberg
 * @author Hayward Chan
 * @author Louis Wasserman
 */
public class ForwardingCollectionTest extends TestCase {
  static final class StandardImplForwardingCollection<T> extends ForwardingCollection<T> {

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@code ForwardingQueue}.
 *
 * @author Robert Konigsberg
 * @author Louis Wasserman
 */
public class ForwardingQueueTest extends TestCase {

  static final class StandardImplForwardingQueue<T> extends ForwardingQueue<T> {
    private final Queue<T> backingQueue;

import com.google.common.testing.ForwardingWrapperTester;
import java.util.ListIterator;
import junit.framework.TestCase;

/**
 * Tests for {@code ForwardingListIterator}.
 *
 * @author Robert Konigsberg
 */
public class ForwardingListIteratorTest extends TestCase {

  @SuppressWarnings("rawtypes")
  public void testForwarding() {
    new ForwardingWrapperTester()
        .testForwarding(

seras
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serons
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serais
serait
serions
seriez
seraient
étais
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étions
étiez
étaient
fus
fut
fûmes
fûtes
furent
sois
soit
soyons
soyez
soient
fusse
fusses
fût
fussions
fussiez
fussent
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eue
eues
eus
ai
as
avons
avez
ont
aurai
auras
aura
aurons
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auront
aurais

.nav-link > .nav-icon {\n  margin-left: .55rem;\n}\n\n.nav-flat:not(.nav-child-indent) .nav-treeview .nav-item > .nav-link > .nav-icon {\n  margin-left: .4rem;\n}\n\n.nav-flat.nav-child-indent .nav-treeview {\n  padding-left: 0;\n}\n\n.nav-flat.nav-child-indent .nav-treeview .nav-icon {\n  margin-left: .85rem;\n}\n\n.nav-flat.nav-child-indent .nav-treeview .nav-treeview {\n  border-left: .2rem solid;\n}\n\n.nav-flat.nav-child-indent .nav-treeview .nav-treeview .nav-icon {\n  margin-left: 1.15rem;\n}\n\n...

        CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
        CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
      )

    /** A secure TLS connection that requires a recent client platform and a recent server. */
    @JvmField
    val RESTRICTED_TLS =
      Builder(true)
        .cipherSuites(*RESTRICTED_CIPHER_SUITES.toTypedArray())
        .tlsVersions(TlsVersion.TLS_1_3, TlsVersion.TLS_1_2)

   
      * Try Google Colab to use TensorFlow.
         * The easiest way to use TF will be to switch to [google colab](https://colab.sandbox.google.com/notebooks/welcome.ipynb#recent=true). You get pre-installed latest stable TF version. Also you can use ```pip install```  to install any other preferred TF version.

Então, você deve declará-lo com `...` para marcá-lo como obrigatório.

Mesmo que você declare-o como `None` ou defina um valor padrão, isso não teria efeito algum, o parâmetro ainda seria obrigatório.

///

## Ordene os parâmetros de acordo com sua necessidade

Suponha que você queira declarar o parâmetro de consulta `q` como uma `str` obrigatória.