interface SharedFileTextPrefixCacheStats {
    hitCount: number;
    missCount: number;
    readCount: number;
}
export interface SharedFileTextPrefixCacheRuntimeOptions {
    maxEntries?: number;
    maxTotalBytes?: number;
    maxAgeMs?: number;
}
export declare function configureSharedFileTextPrefixCacheRuntime(options: SharedFileTextPrefixCacheRuntimeOptions): void;
export declare function resetSharedFileTextPrefixCacheRuntimeConfiguration(): void;
export declare function clearSharedFileTextPrefixCache(): void;
export declare function getSharedFileTextPrefixCacheStats(): SharedFileTextPrefixCacheStats;
export declare function invalidateSharedFileTextPrefixCachePath(path: string): void;
export declare function invalidateSharedFileTextPrefixCachePaths(paths: Iterable<string>): void;
export declare function getSharedFileTextPrefix(filePath: string, maxBytes: number): Promise<string | undefined>;
export {};