import type { FileInfo, FileChange, CategoryRule } from '../types';
export declare class Scanner {
    private ignorePatterns;
    private categorizer;
    constructor(customIgnore?: string[], customCategories?: CategoryRule[]);
    scan(dir: string): Promise<FileInfo[]>;
    compare(templateDir: string, currentDir: string, detectOrphans?: boolean): Promise<FileChange[]>;
    /** Rust native 实现：并行 hash 比较 */
    private compareNative;
    /** 纯 JS fallback 实现 */
    private compareJs;
    private hasChanged;
    filterOrphans(orphans: FileChange[], deletePatterns?: string[], protectPatterns?: string[]): FileChange[];
    addIgnore(pattern: string): void;
    addCategory(rule: CategoryRule): void;
}