//! Global config definitions.use std::sync::Mutex;use once_cell::sync::Lazy;use crate::ui::RenderConfig;static GLOBAL_RENDER_CONFIGURATION: Lazy<Mutex<RenderConfig<'static>>> =    Lazy::new(|| Mutex::new(RenderConfig::default()));pub fn get_configuration() -> RenderConfig<'static> {    *GLOBAL_RENDER_CONFIGURATION.lock().unwrap()}/// Acquires a write lock to the global RenderConfig object/// and updates the inner value with the provided argument.pub fn set_global_render_config(config: RenderConfig<'static>) {    let mut guard = GLOBAL_RENDER_CONFIGURATION.lock().unwrap();    *guard = config;}/// Default page size when displaying options to the user.pub const DEFAULT_PAGE_SIZE: usize = 7;/// Default value of vim mode.pub const DEFAULT_VIM_MODE: bool = false;