public function meta()
    {
        return array_merge([
            'wrapperClasses' => $this->wrapperClasses,
            'indexClasses' => $this->indexClasses,
            'inputClasses' => $this->inputClasses,
            'fieldClasses' => $this->fieldClasses,
            'panelFieldClasses' => $this->panelFieldClasses,
            'labelClasses' => $this->labelClasses,
            'panelLabelClasses' => $this->panelLabelClasses,
            'excerptClasses' => $this->excerptClasses,
            'grouped' => !!$this->groupedBy,
            'resourceName' => $this->resourceName,
            'label' => forward_static_call([$this->resourceClass, 'label']),
            'singularLabel' => forward_static_call([$this->resourceClass, 'singularLabel']),
            'belongsToRelationship' => $this->belongsToRelationship,
            'belongsToId' => $this->belongsToId,
            'searchable' => $this->searchable,
            'displayName' => $this->displayName,
        ], $this->meta);
    }