import { ORMConfig, TableDefinition } from '../shared/types';
/**
 * Unified interface for exporting database schemas to multiple formats
 */
export declare class MigrationExports {
    private sqlMigrations;
    private firebaseMigrations;
    private textMigrations;
    constructor(config: ORMConfig);
    /**
     * Export schema to SQL format
     * @param tables Array of table definitions to export
     * @returns SQL CREATE TABLE statements as a string
     * @throws ORMMigrationError if validation fails or export encounters an error
     */
    toSQL(tables: TableDefinition[]): string;
    /**
     * Export schema to Firebase format
     * @param tables Array of table definitions to export
     * @returns Firebase security rules and structure as a JSON string
     * @throws ORMMigrationError if validation fails or export encounters an error
     */
    toFirebase(tables: TableDefinition[]): string;
    /**
     * Export schema to text format
     * @param tables Array of table definitions to export
     * @returns Human-readable text description of the schema
     * @throws ORMMigrationError if validation fails or export encounters an error
     */
    toText(tables: TableDefinition[]): string;
    /**
     * Validate TableDefinition array before processing
     * @param tables Array of table definitions to validate
     * @throws ORMMigrationError if validation fails
     */
    private validateTableDefinitions;
}
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