import type { SolutionIndexEntry } from './solution-format.js';
export interface SolutionDirConfig {
    dir: string;
    scope: 'me' | 'team' | 'project' | 'universal';
}
export interface SolutionIndex {
    entries: SolutionIndexEntry[];
    directoryMtimes: Record<string, number>;
    builtAt: number;
}
export declare function isIndexStale(index: SolutionIndex): boolean;
export declare function getOrBuildIndex(dirs: SolutionDirConfig[]): SolutionIndex;
export declare function resetIndexCache(): void;