src/TagField.php
public function performReadonlyTransformation()
    {
        /** @var ReadonlyTagField $copy */
        $copy = $this->castedCopy(ReadonlyTagField::class);
        $copy->setSourceList($this->getSourceList());
        return $copy;
    }
public function performReadonlyTransformation()
    {
        /** @var ReadonlyTagField $copy */
        $copy = $this->castedCopy(ReadonlyTagField::class);
        $copy->setSourceList($this->getSourceList());
        return $copy;
    }
public function performReadonlyTransformation ( ) { /** @var ReadonlyTagField $copy */ $ copy = $ this -> castedCopy ( ReadonlyTagField :: class ) ; $ copy -> setSourceList ( $ this -> getSourceList ( ) ) ; return $ copy ; }
Converts the field to a readonly variant.

@return ReadonlyTagField
Converts the field to a readonly variant .