export interface BackupResult {
    success: boolean;
    err?: string;
    backupPath?: string;
}
export interface BackupFileInfo {
    success: boolean;
    err?: string;
    title?: string;
    protected?: boolean;
    schema?: any;
    length?: number;
    data: any[];
    created?: Date;
}
/**
 * Handles all backup and restoration logic for EveloDB
 */
export declare class BackupManager {
    private db;
    constructor(db: any);
    createBackup(collection: string, config: {
        type?: 'json' | 'binary';
        path: string;
        password?: string;
        title?: string;
    }): BackupResult;
    restoreBackup(collection: string, config: {
        type?: 'json' | 'binary';
        file: string;
        password?: string;
    }): {
        success: boolean;
        err?: string;
    };
    readBackupFile(filePath: string, password?: string): BackupFileInfo;
    private serializeSchema;
    private applyRestoredSchema;
    private encrypt;
    private decrypt;
}