src/Iam/Admin/V1/CreateServiceAccountKeyRequest.php
public function setPrivateKeyType($var)
    {
        GPBUtil::checkEnum($var, \Google\Iam\Admin\V1\ServiceAccountPrivateKeyType::class);
        $this->private_key_type = $var;

        return $this;
    }
public function setPrivateKeyType($var)
    {
        GPBUtil::checkEnum($var, \Google\Iam\Admin\V1\ServiceAccountPrivateKeyType::class);
        $this->private_key_type = $var;

        return $this;
    }
The output format of the private key. `GOOGLE_CREDENTIALS_FILE` is the
default output format.

Generated from protobuf field <code>.google.iam.admin.v1.ServiceAccountPrivateKeyType private_key_type = 2;</code>
@param int $var
@return $this