fn new() -> Self

fn register(&mut self, metadata: PluginMetadata) -> ()

fn get(&self, name: &str) -> Option<&PluginMetadata>

fn has(&self, name: &str) -> bool

fn is_enabled(&self, name: &str) -> bool

fn enable(&mut self, name: &str) -> ()

fn disable(&mut self, name: &str) -> ()

fn list(&self) -> Vec<&str>

fn list_enabled(&self) -> Vec<&str>

fn len(&self) -> usize

fn is_empty(&self) -> bool