use settings::{RegisterSetting, Settings, SettingsContent, WhichKeySettingsContent}; #[derive(Debug, Clone, Copy, RegisterSetting)]pub struct WhichKeySettings {    pub enabled: bool,    pub delay_ms: u64,} impl Settings for WhichKeySettings {    fn from_settings(content: &SettingsContent) -> Self {        let which_key: &WhichKeySettingsContent = content.which_key.as_ref().unwrap();         Self {            enabled: which_key.enabled.unwrap(),            delay_ms: which_key.delay_ms.unwrap(),        }    }}