import { MultiDbManager, Dimension } from './multi-db-manager';
/**
 * Manages database schema migrations for all 5 dimensions.
 * Migrations are stored in the schemas/sqlite/ directory.
 */
export declare class MigrationManager {
    private dbManager;
    private migrationsDirectory;
    /**
     * Creates a new MigrationManager instance.
     *
     * @param dbManager The MultiDbManager instance
     * @param pluginRoot The root directory of the plugin (where schemas/ is located)
     */
    constructor(dbManager: MultiDbManager, pluginRoot: string);
    /**
     * Checks if the migrations table has the correct structure (composite PRIMARY KEY).
     *
     * @param db The SQLite database instance
     * @returns Promise that resolves to true if structure is correct, false otherwise
     */
    private checkMigrationsTableStructure;
    /**
     * Ensures the migrations table exists in a database with the correct structure.
     * If the table exists with the old structure (version only as PRIMARY KEY),
     * it will be dropped and recreated with the new structure.
     *
     * @param db The SQLite database instance
     * @returns Promise that resolves when the table is created/updated
     */
    private ensureMigrationsTable;
    /**
     * Gets the list of applied migrations for a database.
     *
     * @param db The SQLite database instance
     * @returns Promise that resolves to an array of migration records
     */
    private getAppliedMigrations;
    /**
     * Checks if a migration version already exists in the database.
     *
     * @param db The SQLite database instance
     * @param version The migration version number
     * @returns Promise that resolves to true if the migration exists, false otherwise
     */
    /**
     * Checks if a specific migration (version + name) already exists in the database.
     *
     * @param db The SQLite database instance
     * @param version The migration version number
     * @param name The migration name
     * @returns Promise that resolves to true if the migration exists, false otherwise
     */
    private checkMigrationExists;
    /**
     * Reads a migration file from disk.
     *
     * @param migrationFile The migration file name (e.g., "001_initial_modules.sql")
     * @returns The SQL content of the migration file
     */
    private readMigrationFile;
    /**
     * Applies a migration to a database.
     *
     * @param db The SQLite database instance
     * @param version The migration version number
     * @param name The migration name
     * @param sql The SQL content to execute
     * @returns Promise that resolves when the migration is applied
     */
    private applyMigration;
    /**
     * Gets all migration files for a dimension, sorted by version.
     *
     * @param dimension The dimension
     * @returns Array of migration file names
     */
    private getMigrationFilesForDimension;
    /**
     * Gets the dimension prefix for migration files.
     *
     * @param dimension The dimension
     * @returns The prefix (e.g., "001" for X, "002" for Y, etc.)
     */
    private getDimensionPrefix;
    /**
     * Gets the required tables for a dimension.
     *
     * @param dimension The dimension
     * @returns Array of required table names
     */
    private getRequiredTables;
    /**
     * Checks if all required tables exist in the database.
     *
     * @param db The SQLite database instance
     * @param dimension The dimension to check
     * @returns Promise that resolves to true if all tables exist, false otherwise
     */
    private checkTablesExist;
    /**
     * Runs all pending migrations for a dimension.
     *
     * @param dimension The dimension to migrate
     * @returns Promise that resolves when all migrations are applied
     */
    migrate(dimension: Dimension): Promise<void>;
    /**
     * Runs all pending migrations for all dimensions.
     *
     * @returns Promise that resolves when all migrations are applied
     */
    migrateAll(): Promise<void>;
}
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