pub trait Config {
// Required methods
fn get(&self, name: &str) -> Result<String>;
fn get_all(&self, glob: &str) -> Result<HashMap<String, String>>;
fn add(&mut self, name: &str, value: &str) -> Result<()>;
fn set(&mut self, name: &str, value: &str) -> Result<()>;
fn clear(&mut self, name: &str) -> Result<()>;
}