import { ReentryStatus } from './models';
export interface FileSystem {
    pathExists(filePath: string): Promise<boolean>;
    ensureDir(dirPath: string): Promise<void>;
    readFile(filePath: string, encoding: 'utf8'): Promise<string>;
    writeFile(filePath: string, content: string, encoding: 'utf8'): Promise<void>;
    move(src: string, dest: string, options: {
        overwrite: boolean;
    }): Promise<void>;
    remove(filePath: string): Promise<void>;
}
export declare class FileManager {
    private readonly fs;
    constructor(fs?: FileSystem);
    ensureDirForFile(filePath: string): Promise<void>;
    readFileIfExists(filePath: string): Promise<string | null>;
    writeFileIfChanged(filePath: string, content: string): Promise<boolean>;
    /**
     * Writes both JSON and Markdown status files as a single operation.
     * Best-effort atomicity: either both are updated, or any partial update is rolled back.
     */
    writeStatusFiles(config: any, status: ReentryStatus): Promise<{
        changed: boolean;
    }>;
    loadStatus(config: any): Promise<ReentryStatus | null>;
    writeStatusJson(config: any, status: ReentryStatus): Promise<boolean>;
    writeReentryMarkdown(config: any, status: ReentryStatus): Promise<boolean>;
}
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