import type { ProjectInfo } from './project-info';
export declare const TYPES_COMPAT = ".types-compat";
/**
 * Produces down-leveled declaration files to ensure compatibility with previous
 * compiler releases (macthing TypeScript's `major.minor` versioning scheme).
 * This is necessary in order to ensure a package change compiler release lines
 * does not force all it's consumers to do the same (and vice-versa).
 *
 * @returns the `typesVersions` object that should be recorded in `package.json`
 */
export declare function emitDownleveledDeclarations({ packageJson, projectRoot, tsc }: ProjectInfo): void;
//# sourceMappingURL=downlevel-dts.d.ts.map