get(name, opts) {
			const c = new_cookies[name];
			if (
				c &&
				domain_matches(url.hostname, c.options.domain) &&
				path_matches(url.pathname, c.options.path)
			) {
				return c.value;
			}

			const req_cookies = parse(header, { decode: opts?.decode });
			const cookie = req_cookies[name]; // the decoded string or undefined

			// in development, if the cookie was set during this session with `cookies.set`,
			// but at a different path, warn the user. (ignore cookies from request headers,
			// since we don't know which path they were set at)
			if (__SVELTEKIT_DEV__ && !cookie) {
				const paths = Array.from(cookie_paths[name] ?? []).filter((path) => {
					// we only care about paths that are _more_ specific than the current path
					return path_matches(path, url.pathname) && path !== url.pathname;
				});

				if (paths.length > 0) {
					console.warn(
						// prettier-ignore
						`'${name}' cookie does not exist for ${url.pathname}, but was previously set at ${conjoin([...paths])}. Did you mean to set its 'path' to '/' instead?`
					);
				}
			}

			return cookie;
		}
@param {string} name
@param {import('cookie').CookieParseOptions} [opts]