src/Generics/Client/HttpHeadersTrait.php
private function adjustNumbytes($numBytes): int
    {
        if (isset($this->headers['Content-Length'])) {
            // Try to read the whole payload at once
            $numBytes = intval($this->headers['Content-Length']);
        }
        
        return $numBytes;
    }
private function adjustNumbytes($numBytes): int
    {
        if (isset($this->headers['Content-Length'])) {
            // Try to read the whole payload at once
            $numBytes = intval($this->headers['Content-Length']);
        }
        
        return $numBytes;
    }
Adjust number of bytes to read according content length header

@param int $numBytes
@return int