export declare const DEFAULT_MIGRATIONS_OUT_DIR = "./migrations";
export declare const DEFAULT_MIGRATIONS_TABLE = "_hypequery_migrations";
export declare const DEFAULT_MIGRATIONS_LOCK_TABLE = "hypequery_migration_locks";
export declare const DEFAULT_MIGRATIONS_PREFIX: "timestamp";
export type MigrationFilePrefix = typeof DEFAULT_MIGRATIONS_PREFIX;
export interface ClickHouseMigrationDirectoryConfig {
    out: string;
    table: string;
    lockTable: string;
    prefix: MigrationFilePrefix;
}
export interface ClickHouseMigrationDbCredentials {
    host: string;
    port?: number;
    username: string;
    password?: string;
    database: string;
    secure?: boolean;
}
export interface ClickHouseClusterConfig {
    name: string;
}
export interface HypequeryClickHouseConfig {
    dialect: 'clickhouse';
    schema: string;
    migrations?: Partial<ClickHouseMigrationDirectoryConfig>;
    dbCredentials: ClickHouseMigrationDbCredentials;
    cluster?: ClickHouseClusterConfig;
}
export interface ResolvedHypequeryClickHouseConfig extends Omit<HypequeryClickHouseConfig, 'migrations'> {
    migrations: ClickHouseMigrationDirectoryConfig;
}
/**
 * Defines a ClickHouse migration configuration while preserving literal TypeScript types.
 *
 * Use this from `hypequery.config.ts` so the CLI can load database credentials,
 * schema entry points, and migration output settings from one typed object.
 */
export declare function defineConfig(config: HypequeryClickHouseConfig): HypequeryClickHouseConfig;
/**
 * Applies default migration settings to a user-provided ClickHouse config.
 *
 * This keeps CLI and programmatic callers aligned on the default output directory,
 * migration table name, and timestamp-based file prefix strategy.
 */
export declare function resolveClickHouseConfig(config: HypequeryClickHouseConfig): ResolvedHypequeryClickHouseConfig;
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