public function span_containing(AbstractSpanQuery $little = null, AbstractSpanQuery $big = null): SpanContaining
    {
        return new SpanContaining($little, $big);
    }
public function span_containing(AbstractSpanQuery $little = null, AbstractSpanQuery $big = null): SpanContaining
    {
        return new SpanContaining($little, $big);
    }
public function span_containing ( AbstractSpanQuery $ little = null , AbstractSpanQuery $ big = null ) : SpanContaining { return new SpanContaining ( $ little , $ big ) ; }
span_containing query.

@param AbstractSpanQuery|null $little
@param AbstractSpanQuery|null $big

@return SpanContaining

@see https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-span-containing-query.html
span_containing query .