/**
 * BackupWriter (v3.x)
 *
 * Exports a profile's database as a platform-agnostic SQL dump containing
 * `CREATE TABLE` + `INSERT INTO ...` statements. MVP supports sqlite, mysql,
 * postgresql. Other adapters fall back to schema-only (CREATE TABLE) and
 * emit a structured warning.
 *
 * v3.x BACKWARD COMPATIBILITY NOTE: For SQLite we use `sqlite_master` to
 * read DDL; for MySQL/PostgreSQL we use `SHOW TABLES` + `SHOW CREATE TABLE`
 * via the existing DbAdapter.executeQuery interface — no engine-level access.
 * Streaming: rows are pulled one chunk at a time via LIMIT/OFFSET pagination.
 */
import type { ProfileManager } from './profile-manager.js';
export interface BackupOptions {
    /** Only dump schema, skip data */
    schemaOnly?: boolean;
    /** Tables to include; default = all */
    tables?: string[];
}
export interface BackupResult {
    content: string;
    bytes: number;
    tables: string[];
    kind: 'full' | 'schema-only' | 'unsupported';
    warnings?: string[];
}
/** Get list of tables in a profile via sqlite_master or information_schema. */
export declare function listTables(profile: ProfileManager, profileName: string): Promise<string[]>;
export declare class BackupWriter {
    /**
     * Dump a profile's database as SQL text.
     * For unsupported adapters throws an error (caller may retry with schemaOnly).
     */
    static dump(pm: ProfileManager, profileName: string, opts?: BackupOptions): Promise<BackupResult>;
}
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