import { TypeCompilerOptions } from './types';
/**
 * Global cache to store computed Zod schemas across transformer invocations
 */
export declare const globalTypeCache: Map<string, string>;
/**
 * File cache for tracking file modifications for incremental compilation
 */
export declare class FileCache {
    private cache;
    private cachePath?;
    private initialized;
    constructor(cachePath?: string);
    /**
     * Load the cache from disk if a cache path is provided
     */
    private loadCache;
    /**
     * Save the cache to disk if a cache path is provided
     */
    saveCache(): void;
    /**
     * Check if a file has changed since the last time it was processed
     */
    hasFileChanged(filePath: string): boolean;
    /**
     * Update the cache entry for a file
     */
    private updateFile;
    /**
     * Mark a file as processed without checking its content
     */
    markFileProcessed(filePath: string): void;
}
/**
 * Get or create a file cache based on the provided options
 */
export declare function getFileCache(options: TypeCompilerOptions): FileCache;
/**
 * Check if a file has changed since the last compilation
 */
export declare function isFileUnchanged(filePath: string): boolean;
/**
 * Mark a file as processed in the cache
 */
export declare function markFileAsProcessed(filePath: string): void;