/**
* WPCS MCP Server - File Hash Cache
* Provides incremental checking by caching results keyed by file hash + checker.
*/
export declare class FileCache {
private store;
private cachePath;
private dirty;
constructor(projectPath: string);
private load;
/**
* Compute an MD5 hash of a file's contents.
*/
hashFile(filePath: string): string;
/**
* Build a cache key from file path, checker name, and config hash.
*/
private buildKey;
/**
* Check if a file has changed since last check.
* Returns the cached results if unchanged, or null if the file needs re-checking.
*/
get(filePath: string, checkerName: string, configHash: string): Record<string, unknown> | null;
/**
* Store results for a file + checker combination.
*/
set(filePath: string, checkerName: string, configHash: string, results: Record<string, unknown>): void;
/**
* Persist the cache to disk.
*/
save(): void;
/**
* Clear all cached entries.
*/
clear(): void;
/**
* Hash the config object to detect config changes.
*/
static hashConfig(config: Record<string, unknown>): string;
}
