34      * @param mixed $offset
37     public function offsetExists($offset): bool  argument
39         return isset($this->result[$offset]);
43      * @param mixed $offset
46     public function offsetGet($offset): ?float  argument
48         return $this->result[$offset] ?? null;
52      * @param mixed $offset
56     public function offsetSet($offset, $value): void  argument
58         if (null === $offset) {
61             $this->result[$offset] = $value;
66      * @param mixed $offset
68     public function offsetUnset($offset): void  argument
70         unset($this->result[$offset]);
141      * @param int $offset
145     public function limit(int $offset, int $length = null): LanguageResult  argument
147         return new LanguageResult(\array_slice($this->result, $offset, $length));