/**
 * Patch standaloneThemeService to implement semantic highlighting.
 *
 * This may eventually become redundant when Monaco implements proper support.
 *
 * Based on: https://github.com/TypeFox/monaco-languageclient/issues/209#issuecomment-619531624
 * Tracking feature: https://github.com/microsoft/monaco-editor/issues/1833
 */
export declare function patchThemeService(): void;
