export interface MigrationEntry {
    version: string;
    name: string;
    sql: string;
}
/** Seed for the advisory lock — distinct from the SDK CMS/facts seeds. */
export declare const HORIZON_FACTS_LOCK_SEED = 4741702;
/**
 * Migration versions OWNED BY THE GRAPH PROVIDER (HorizonDBGraphStore), not the
 * facts provider. The facts store filters these out of its run set; the graph
 * store runs them inline as part of its idempotent bootstrap.
 *   0003 — AGE extension + create_graph (the graph bootstrap).
 *   0013 — graph_namespaces registry sidecar (graph-fact-search enhancements).
 */
export declare const GRAPH_OWNED_MIGRATIONS: readonly ["0003", "0013"];
export declare const HORIZON_GLOBAL_DDL_LOCK_LABEL = "__horizon_facts_global_ddl__";
export declare const DEFAULT_MIGRATION_LOCK_TIMEOUT_MS = 60000;
/** Whether a migration version is graph-owned (run by the graph store, not facts). */
export declare function isGraphOwnedMigration(version: string): boolean;
/** Whether a migration contains database-global DDL that needs global serialization. */
export declare function migrationRequiresGlobalDdlLock(migration: Pick<MigrationEntry, "sql">): boolean;
/**
 * Run all pending migrations against the given schema.
 *
 * Uses a PostgreSQL advisory lock keyed on `lockSeed` + schema name to
 * serialize concurrent workers. Each migration runs in its own transaction.
 * Throws (never "repairs") when the migrations table records a version the
 * code does not know — a newer deployment owns this schema.
 */
export declare function runMigrations(pool: any, schema: string, migrations: MigrationEntry[], lockSeed: number): Promise<void>;
export declare function advisoryLockKeyParts(key: number): {
    classid: string;
    objid: string;
};
/** Stable 32-bit hash of a schema name combined with a per-system seed. */
export declare function hashSchemaName(schema: string, seed: number): number;
export interface MigrationTokens {
    schema: string;
    graphName: string;
    embeddingDim: number;
    /** Graph-owned schema for the namespace registry sidecar (0013).
     * Defaults to `${graphName}_registry`. */
    registrySchema?: string;
}
/** Resolve the packaged migrations/ directory (works from src/ and dist/src/). */
export declare function migrationsDir(): string;
/** Load the numbered migrations, token-substituted for this deployment. */
export declare function loadMigrations(tokens: MigrationTokens): MigrationEntry[];
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