These are any `OPTIONS` request with `Origin` and `Access-Control-Request-Method` headers.

In this case the middleware will intercept the incoming request and respond with appropriate CORS headers, and either a `200` or `400` response for informational purposes.

### Simple requests { #simple-requests }

func (c cmdType) toServiceSignal() serviceSignal {
	switch c {
	case restartCmd:
		return serviceRestart
	case stopCmd:
		return serviceStop
	}
	return serviceRestart
}

func (c cmdType) toServiceAction() madmin.ServiceAction {
	switch c {
	case restartCmd:
		return madmin.ServiceActionRestart
	case stopCmd:
		return madmin.ServiceActionStop
	}
	return madmin.ServiceActionRestart

  }

  private static <E> ImmutableSet<E> fromArrayWithExpectedSize(E[] elements, int expectedSize) {
    switch (elements.length) {
      case 0:
        return of();
      case 1:
        return of(elements[0]);
      default:
        SetBuilderImpl<E> builder = new RegularSetBuilderImpl<>(expectedSize);
        for (int i = 0; i < elements.length; i++) {

import (
	"bytes"
	"context"
	"fmt"
	"os"
	"path/filepath"
	"runtime"
	"testing"
	"time"

	"github.com/minio/madmin-go/v3"
)

// Returns the latest updated FileInfo files and error in case of failure.
func getLatestFileInfo(ctx context.Context, partsMetadata []FileInfo, defaultParityCount int, errs []error) (FileInfo, error) {
	// There should be at least half correct entries, if not return failure

          <description>A preferred alternative to this expression, in the case where it's deprecated.</description>
          <type>String</type>
        </field>
        <field>
          <version>1.0.0</version>
          <name>ban</name>
          <description>A preferred alternative to this expression, in the case where it's banned from use.</description>
          <type>String</type>
        </field>

      this.node = node;
    }
  }

  /**
   * Determines whether an edge has already been used during traversal. In the directed case a cycle
   * is always detected before reusing an edge, so no special logic is required. In the undirected
   * case, we must take care not to "backtrack" over an edge (i.e. going from A to B and then going
   * from B to A).
   */
  private static boolean canTraverseWithoutReusingEdge(

      this.node = node;
    }
  }

  /**
   * Determines whether an edge has already been used during traversal. In the directed case a cycle
   * is always detected before reusing an edge, so no special logic is required. In the undirected
   * case, we must take care not to "backtrack" over an edge (i.e. going from A to B and then going
   * from B to A).
   */
  private static boolean canTraverseWithoutReusingEdge(

        do {
            final char ch = arr[si];

            switch (state) {
            case 0:
                if (ch == ':') {
                    proto = str.substring(mark, si);
                    mark = si + 1;
                    state = 1;
                }
                break;
            case 1:
                if (ch == '\\') {
                    mark = si + 1;
                    break;

     */
    @Test
    void testIsCredentialTypeCorrectWithNullData() {
        // The constructor check `if (!isCredentialTypeCorrect())` handles the null case.
        // We verify that the constructor throws an exception, which indirectly tests the desired logic.
        assertThrows(PACDecodingException.class, () -> new PacCredentialType(null));
    }

    /**

    switch (type) {
        case DURABLE_V1:
            addCreateContext(new DurableHandleRequest());
            break;
            
        case DURABLE_V2:
            addCreateContext(new DurableHandleV2Request(timeout, false));
            break;
            
        case PERSISTENT:
            addCreateContext(new DurableHandleV2Request(0, true));