return (gchar*)maiIfaceText->GetTextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset);
return NS_CONST_CAST(gchar*, maiIfaceText->GetTextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset));
getTextAtOffsetCB(AtkText *aText, gint aOffset,                  AtkTextBoundary aBoundaryType,                  gint *aStartOffset, gint *aEndOffset){    MaiInterfaceText *maiIfaceText = getText(aText);    if (!maiIfaceText)        return NULL;    return (gchar*)maiIfaceText->GetTextAtOffset(aOffset, aBoundaryType,                                                 aStartOffset, aEndOffset);}