useonce_cell::sync::OnceCell;modbuilder;modlogger;modtarget;pubusebuilder::{LoggerBuilder, OutputTarget, SetLoggerError, SetTargetError};/// The current logger instance. Initialized in [`LoggerBuilder::build_global()`] and then set as
/// the global logger using [`log::set_logger()`].
staticLOGGER_INSTANCE:OnceCell<logger::Logger>=OnceCell::new();