concrete/src/Database/CharacterSetCollation/Resolver.php
public function setCharacterSet($characterSet)
    {
        if ($characterSet !== null) {
            $characterSet = $this->normalizeCharacterSet($characterSet);
        }
        $this->characterSet = $characterSet;

        return $this;
    }
public function setCharacterSet($characterSet)
    {
        if ($characterSet !== null) {
            $characterSet = $this->normalizeCharacterSet($characterSet);
        }
        $this->characterSet = $characterSet;

        return $this;
    }
public function setCharacterSet ( $ characterSet ) { if ( $ characterSet !== null ) { $ characterSet = $ this -> normalizeCharacterSet ( $ characterSet ) ; } $ this -> characterSet = $ characterSet ; return $ this ; }
Set the character set.

@param string|null|mixed $characterSet use NULL to use the default character set

@return $this
Set the character set .