import { DatabaseClient } from '../database/database-client.interface';
import { MigrationJournalEntry, MigrationConfig } from './migration.interface';
/**
 * Manages the migration journal table that tracks which migrations have been applied.
 *
 * The journal table stores a record for each successfully applied migration,
 * allowing the system to know which migrations to skip on subsequent runs.
 */
export declare class MigrationJournal {
    private client;
    private tableName;
    private schemaName;
    private qualifiedName;
    constructor(client: DatabaseClient, config?: Pick<MigrationConfig, 'journalTable' | 'journalSchema'>);
    /**
     * Check if the journal table exists in the database without creating it.
     * Used to detect whether the schema has been previously set up.
     */
    tableExists(): Promise<boolean>;
    /**
     * Ensure the journal table exists in the database.
     * Creates it if it doesn't exist.
     */
    ensureTable(): Promise<void>;
    /**
     * Get all applied migrations ordered by filename (chronologically).
     */
    getApplied(): Promise<MigrationJournalEntry[]>;
    /**
     * Check if a specific migration has been applied.
     * @param filename - The migration filename to check
     */
    isApplied(filename: string): Promise<boolean>;
    /**
     * Record a migration as successfully applied.
     * @param filename - The migration filename
     */
    recordApplied(filename: string): Promise<void>;
    /**
     * Remove a migration record (used when rolling back).
     * @param filename - The migration filename to remove
     */
    recordReverted(filename: string): Promise<void>;
    /**
     * Get the qualified table name (schema.table).
     */
    getQualifiedName(): string;
    /**
     * Get the table name without schema.
     */
    getTableName(): string;
    /**
     * Get the schema name.
     */
    getSchemaName(): string;
}
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