alias) !== true) { throw new RuntimeException( 'alias is required for rollover' ); } $alias = $this->alias; $new_index = $this->new_index ?? null; if (isset($new_index)) { return "/$alias/_rollover/$new_index"; } return "/$alias/_rollover"; } public function getParamWhitelist(): array { return [ 'include_type_name', 'timeout', 'dry_run', 'master_timeout', 'wait_for_active_shards' ]; } public function getMethod(): string { return 'POST'; } public function setBody($body): Rollover { if (isset($body) !== true) { return $this; } $this->body = $body; return $this; } public function setAlias($alias): Rollover { if (isset($alias) !== true) { return $this; } $this->alias = $alias; return $this; } public function setNewIndex($new_index): Rollover { if (isset($new_index) !== true) { return $this; } $this->new_index = $new_index; return $this; } }