Convert each email attachment to different format Leave feedback

import com.groupdocs.conversion.Converter;
import com.groupdocs.conversion.options.load.EmailLoadOptions;
import com.groupdocs.conversion.options.convert.PdfConvertOptions;
import java.io.IOException;
import java.io.FileOutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
...
EmailLoadOptions emailLoadOptions = new EmailLoadOptions();
emailLoadOptions.setConvertOwned(true);
emailLoadOptions.setConvertOwner(true);
emailLoadOptions.setDepth(2);

Converter converter=new Converter("sample_with_attachments.eml",emailLoadOptions);

PdfConvertOptions options = new PdfConvertOptions();
options.setPassword("12345");
options.setDpi(300);

final List<FileOutputStream> fileOutputStreams = new ArrayList<>();
try{
    converter.convert(new SaveDocumentStreamForFileType(){
            @Override
            public Stream invoke(FileType t){
                try{
                    FileOutputStream fileOutputStream=new FileOutputStream("converted-"+fileOutputStreams.size()+".pdf");
                    fileOutputStreams.add(fileOutputStream);
                    return new GroupDocsOutputStream(fileOutputStream);
                } catch(IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }, options);
    }finally{
        try{
            for(OutputStream outputStream:fileOutputStreams){
            outputStream.close();
            }
        } catch(IOException e) {
            //throw an exception
        }
    }