return err
	}
	if err := c.hello(); err != nil {
		return err
	}
	_, _, err := c.cmd(250, "VRFY %s", addr)
	return err
}

// Auth authenticates a client using the provided authentication mechanism.
// A failed authentication closes the connection.
// Only servers that advertise the AUTH extension support this function.
func (c *Client) Auth(a Auth) error {
	if err := c.hello(); err != nil {

        type: "[]string"
      - name: namespace
        type: string

  - name: "InvalidGatewayCredential"
    code: IST0161
    level: Error
    description: "The credential provided for the Gateway resource is invalid"
    template: "The credential referenced by the Gateway %s in namespace %s is invalid, which can cause the traffic not to work as expected."
    args:
      - name: gatewayName

    representative_dataset: rd.RepresentativeDatasetOrMapping,
    signature_keys: Collection[str],
) -> None:
  """Validates the representative dataset, based on the signature keys.

  Representative dataset can be provided in two different forms: a single
  instance of `RepresentativeDataset` or a map of signature key to the
  corresponding `RepresentativeDataset`. These have a relationship with
  `signature_keys`.

}

// AsScale returns the current value, rounded up to the provided scale, and returns
// false if the scale resulted in a loss of precision.
func (q *Quantity) AsScale(scale Scale) (CanonicalValue, bool) {
	if q.d.Dec != nil {
		return q.d.AsScale(scale)
	}
	return q.i.AsScale(scale)
}

// RoundUp updates the quantity to the provided scale, ensuring that the value is at

// TestManual is for manual testing of a package - either provided
// as a list of filenames belonging to the package, or a directory
// name containing the package files - after the test arguments
// (and a separating "--"). For instance, to test the package made
// of the files foo.go and bar.go, use:
//
//	go test -run Manual -- foo.go bar.go
//
// If no source arguments are provided, the file testdata/manual.go
// is used instead.

// TestManual is for manual testing of a package - either provided
// as a list of filenames belonging to the package, or a directory
// name containing the package files - after the test arguments
// (and a separating "--"). For instance, to test the package made
// of the files foo.go and bar.go, use:
//
//	go test -run Manual -- foo.go bar.go
//
// If no source arguments are provided, the file testdata/manual.go
// is used instead.

			return
		}

		namespace, name, err := scope.Namer.Name(req)
		if err != nil {
			scope.err(err, w, req)
			return
		}

		// enforce a timeout of at most requestTimeoutUpperBound (34s) or less if the user-provided
		// timeout inside the parent context is lower than requestTimeoutUpperBound.
		ctx, cancel := context.WithTimeout(ctx, requestTimeoutUpperBound)
		defer cancel()

		ctx = request.WithNamespace(ctx, namespace)

    </dependency>
    <dependency>
      <groupId>javax.inject</groupId>
      <artifactId>javax.inject</artifactId>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>org.eclipse.sisu</groupId>
      <artifactId>org.eclipse.sisu.inject</artifactId>
      <scope>provided</scope>
    </dependency>

    <!-- Testing -->
    <dependency>
      <groupId>org.junit.jupiter</groupId>

	// Issue #10714.
	case "android":
		return true

	default:
		return false
	}
}

// mustUseGoResolver reports whether a DNS lookup of any sort is
// required to use the go resolver. The provided Resolver is optional.
// This will report true if the cgo resolver is not available.
func (c *conf) mustUseGoResolver(r *Resolver) bool {
	if !cgoAvailable {
		return true
	}

	if runtime.GOOS == "plan9" {

	if dir == "" {
		dir = getDefaultDir()
	}

	if dir == "" {
		if !dirSet {
			return nil, fmt.Errorf("missing option must be provided")
		}
		return nil, fmt.Errorf("provided option cannot be empty")
	}

	// Disallow relative paths, figure out absolute paths.
	dirAbs, err := filepath.Abs(dir)
	if err != nil {
		return nil, err
	}