com.zimbra.cs.mailbox.Message[] msgs = mbox.getMessagesByConversation(octxt, cid); return getMessageContent(msgs[index]);
List<com.zimbra.cs.mailbox.Message> msgs = mbox.getMessagesByConversation(octxt, cid); return getMessageContent(msgs.get(index));
    public String getContentStart(Account acct, OperationContext octxt) throws ZimbraTagException, ServiceException {        if (mId == null) {            throw ZimbraTagException.MISSING_ATTR("id");        }        if (mField == null) {            throw ZimbraTagException.MISSING_ATTR("field");        }        if (mIndex == null) {            throw ZimbraTagException.MISSING_ATTR("index");        }        int cid = Integer.parseInt(mId);        int index = Integer.parseInt(mIndex);        Mailbox mbox = MailboxManager.getInstance().getMailboxByAccountId(acct.getId());        com.zimbra.cs.mailbox.Message[] msgs = mbox.getMessagesByConversation(octxt, cid);        return getMessageContent(msgs[index]);    }