import type { TypeScriptConfig } from './types';
/**
 * Sync updates from CodeMirror to the TypeScript
 * virtual environment. Note that this updates a file - it isn't
 * responsible (yet) for deleting or renaming files if they
 * do get deleted or renamed.
 */
export declare function tsSync(config: TypeScriptConfig): import("@codemirror/state").Extension;
/**
 * In TypeScript, updates are not like PUTs, you
 * need to create a file before updating it.
 *
 * This method lets us treat the two as the same.
 */
export declare function createOrUpdateFile({ env, path }: TypeScriptConfig, code: string): void;