"http://metadata.google.internal/computeMetadata/v1/project/attributes/sshKeys"
  } catch {}
  $response= $r1 + $r2

  # Split the response into lines; handle both \r\n and \n line breaks.
  $tuples = $response -split "\r?\n"

  $users_to_keys = @{}
  foreach($line in $tuples) {
    if ([string]::IsNullOrEmpty($line)) {
      continue
    }

  // +optional
  optional bool optionalOldSelf = 6;
}

// WebhookClientConfig contains the information to make a TLS connection with the webhook.
message WebhookClientConfig {
  // url gives the location of the webhook, in standard URL form
  // (`scheme://host:port/path`). Exactly one of `url` or `service`
  // must be specified.
  //
  // The `host` should not refer to a service running in the cluster; use

  // +optional
  optional bool optionalOldSelf = 6;
}

// WebhookClientConfig contains the information to make a TLS connection with the webhook.
message WebhookClientConfig {
  // url gives the location of the webhook, in standard URL form
  // (`scheme://host:port/path`). Exactly one of `url` or `service`
  // must be specified.
  //
  // The `host` should not refer to a service running in the cluster; use