private final function addKey(KeyInterface $key, string $name): string
    {
        return "ADD " . $this->constant($key->getType())
             . " `k_" . $name . "`"
             . " (`" . implode("`, `", ($key->getSubject())) . "`),\n";
    }
private final function addKey(KeyInterface $key, string $name): string
    {
        return "ADD " . $this->constant($key->getType())
             . " `k_" . $name . "`"
             . " (`" . implode("`, `", ($key->getSubject())) . "`),\n";
    }
private final function addKey ( KeyInterface $ key , string $ name ) : string { return "ADD " . $ this -> constant ( $ key -> getType ( ) ) . " `k_" . $ name . "`" . " (`" . implode ( "`, `" , ( $ key -> getSubject ( ) ) ) . "`),\n" ; }
Get add key syntaxe

@param KeyInterface $key key
@param string $name name
@return string add key syntaxe
Get add key syntaxe