src/Api/User/Csv.php
public function post($type, $filename): int
    {
        return $this->postKey($type, $this->file($filename));
    }
public function post($type, $filename): int
    {
        return $this->postKey($type, $this->file($filename));
    }
public function post ( $ type , $ filename ) : int { return $ this -> postKey ( $ type , $ this -> file ( $ filename ) ) ; }
Post csv file

@param string $type
@param string $filename
@return int
@throws \InvalidArgumentException
Post csv file