import { FileContentManager, FileMetadata } from './fileContentManager.js';
export interface FileChangeDetectionOptions {
    useFileHashes?: boolean;
    useFileMetadata?: boolean;
    maxCachedHashes?: number;
    maxHashAge?: number;
}
export interface FileChangeDetectionResult {
    changed: boolean;
    reason: string;
    metadata?: FileMetadata;
    hash?: string;
}
export declare class FileChangeDetector {
    private fileContentManager;
    private options;
    private fileHashCache;
    private lastProcessedFiles;
    private static readonly DEFAULT_OPTIONS;
    constructor(fileContentManager: FileContentManager, options?: FileChangeDetectionOptions);
    detectChange(filePath: string, baseDir: string): Promise<FileChangeDetectionResult>;
    private hasMetadataChanged;
    private calculateHash;
    private pruneCache;
    cleanupCache(): void;
    getCacheSize(): number;
    clearCache(): void;
    setProcessedFiles(filePaths: string[]): void;
    getLastProcessedFiles(): string[];
    wasFileProcessed(filePath: string): boolean;
}
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