YamlBeans save to file!

i have problem saving to the yml

i want it to be like bukkits config almost

config.set("Hello.all", "VirtueeL");

so then when i look for “Hello.all”

its gona give me Virtueel
but the only way to save is to use some fucking class like so

YamlWriter writer = new YamlWriter(new FileWriter("output.yml"));
writer.getConfig().setPropertyElementType(Contact.class, "phoneNumbers", Phone.class);
writer.write(contact);
writer.close();

i want something like

YamlWriter writer = new YamlWriter(new FileWriter("output.yml"));
writer.getConfig().setProperty(path,value);
writer.write();
writer.close();

if its unclear please tell me and i will try better