Method tracer

crates/csskit_lsp/src/server.rs:96–98

(&self)

	}

	pub fn tracer(&self) -> TracingLayer {
		TracingLayer::new(self.trace_level.clone(), self.write_sender.clone())
	}

	pub fn listen_stdio(&self) -> Result<ThreadConnection, io::Error> {
		let write_receiver = self.write_receiver.clone();