GraphQL\Validator\Rules\QueryComplexity::astFieldInfo PHP Method

    private function astFieldInfo(FieldNode $field)
    {
        $fieldName = $this->getFieldName($field);
        $astFieldInfo = [null, null];
        if (isset($this->fieldNodeAndDefs[$fieldName])) {
            foreach ($this->fieldNodeAndDefs[$fieldName] as $astAndDef) {
                if ($astAndDef[0] == $field) {
                    $astFieldInfo = $astAndDef;
                    break;
                }
            }
        }
        return $astFieldInfo;
    }