return "";
if(s instanceof org.z.lexer.grammar.SimpleStatement)
return new SimpleStatement(f, (org.z.lexer.grammar.SimpleStatement) s).render();
if(s instanceof org.z.lexer.grammar.ComplexStatement)
return new ComplexStatement(f, (org.z.lexer.grammar.ComplexStatement) s).render();
throw new EntityNotSupportedException(s);
}