/**
 * Source Theme for Ace Editor
 * (Modified from cobalt theme in default brace package)
 *
 * Changes includes:
 * 1)
 * Use background highlighting for bracket matching to make it more prominent.
 * Reference: https://github.com/source-academy/cadet-frontend/pull/767
 */
declare function theme(acequire: any, exports: any, _module: any): void;