cons = (JStatement) stmt.getCond().accept(this);
cons = (JStatement) stmt.getCons().accept(this);
  public Object visitStmtIfThen(StmtIfThen stmt) {    debug("In visitStmtIfThen\n");    JStatement cons = null;    if (stmt.getCons() != null) {      cons = (JStatement) stmt.getCond().accept(this);    }    JStatement alt = null;    if (stmt.getAlt() != null) {      alt = (JStatement) stmt.getAlt().accept(this);    }    return new JIfStatement(null,			    (JExpression) stmt.getCond().accept(this),			    cons,			    alt,			    null);  }