public static String numberLiteral(final Number n) { return n == null ? nullLiteral() : n.toString(); }
public static String stringLiteral(final String s) { return s == null ? nullLiteral() : "'" + escape(s) + "'"; }
public static String numberLiteral(final Number n) { return n == null ? nullLiteral() : n.toString(); }
public static String stringLiteral(final String s) { return s == null ? nullLiteral() : "'" + escape(s) + "'"; }