/**
 * Foreign keys between sync-set tables, as the apply sees them (T12344
 * PR-4; journal spec §3.2 "FK actions", R5-7).
 *
 * Read-only: from `PRAGMA foreign_key_list`. Only sync-set children count:
 * local-only and derived children cascade locally as SQLite does, and nothing
 * about them is replicated.
 *
 * @module store/sync/apply/fk
 * @task T12344
 */
import type { DatabaseSync } from 'node:sqlite';
import type { TableScope } from '@cleocode/contracts';
/** One sync-set child foreign key onto a parent table. */
export interface ChildKey {
    /** The child table. */
    readonly child: string;
    /** The child's referencing column. */
    readonly from: string;
    /** The parent's referenced column. */
    readonly to: string;
    /** `ON DELETE` action, upper-case (`CASCADE`, `SET NULL`, `RESTRICT`, `NO ACTION` …). */
    readonly onDelete: string;
}
/**
 * Every sync-set table's sync-set children, by parent table.
 *
 * @param db - The store.
 * @param scope - The store's scope.
 * @returns Parent table → its children's foreign keys.
 */
export declare function syncSetChildKeys(db: DatabaseSync, scope: TableScope): ReadonlyMap<string, readonly ChildKey[]>;
/**
 * Every child foreign key OUTSIDE the sync set whose `ON DELETE` action a
 * parent DELETE fires (`CASCADE`, `SET NULL`, `SET DEFAULT`), by parent
 * table (any table). Capture never records these children, so the stream
 * cannot bring back what such an action removes; a rebase rewind snapshots
 * them before it deletes a row it will replay (§3.5 R7-2, T13267).
 * Journal tables (`_sync_*`) and the trigger-suspend flag table are not
 * children. Composite keys are listed once per column pair.
 *
 * @param db - The store.
 * @param scope - The store's scope.
 * @returns Parent table → its local children's foreign keys.
 */
export declare function localChildKeys(db: DatabaseSync, scope: TableScope): ReadonlyMap<string, readonly ChildKey[]>;
//# sourceMappingURL=fk.d.ts.map