olvlvl / elasticsearch-dsl

lib/Query/Option/BoostOption.php

<?php

namespace olvlvl\ElasticsearchDSL\Query\Option;

trait BoostOption
{
	public function boost(?float $boost)
	{
		$this->options[__FUNCTION__] = $boost;

The property options does not exist. Although not strictly required by PHP, it is generally a best practice to declare properties explicitly.

		return $this;
	}
}