export type FileOp = 'read' | 'write' | 'edit';
export declare class FileStateTracker {
    private readonly files;
    private readonly stale;
    record(absPath: string, contentHash: string, op: FileOp): void;
    hasSeen(absPath: string): boolean;
    isStale(absPath: string, onDiskContentHash: string): boolean;
    staleFiles(): readonly string[];
}
export declare function hashContent(content: string): string;
export declare function hashFile(path: string): Promise<string>;