async load(id) {
			for (plugin of plugins) {
				if (!plugin.load) continue;
				const result = await plugin.load.call(ctx, id);
				if (result) {
					logLoad(`${kl.dim(formatPath(id))} [${plugin.name}]`);
					return result;
				}
			}
			logLoad(`${kl.dim(formatPath(id))} [__fallback__]`);
			return null;
		}
@param {string} id
@returns {Promise<import('rollup').LoadResult>}