import { type EngineListPage, type EngineListQuery, type RecordStore, type VendoRecord, type Watermark } from "@vendoai/core";
import type { Db } from "./db.js";
import type { ThreadRow } from "./helpers/types.js";
export declare const RESERVED_COLLECTIONS: readonly ["vendo_grants", "vendo_approvals", "vendo_audit", "vendo_threads", "vendo_automations", "vendo_runs", "vendo_apps", "vendo_effects", "vendo_app_grants"];
export declare const DEDICATED_RECORD_COLLECTIONS: readonly ["vendo_mcp_clients", "vendo_mcp_grants", "vendo_knowledge_docs", "vendo_knowledge_chunks"];
/** The routed collections whose table carries a revision counter, so their door
 *  offers guarded writes (01 §12). A LITERAL because `atomic` is defined inline
 *  per case in `configFor` below and there is nothing to read it off of without
 *  a Db; the hosted client mirrors it for feature detection, and
 *  tests/hosted-store.atomic-parity.test.ts holds both to the real doors. */
export declare const ATOMIC_RESERVED_COLLECTIONS: readonly ["vendo_threads", "vendo_automations", "vendo_apps", "vendo_effects"];
export type ReservedCollection = typeof RESERVED_COLLECTIONS[number];
/** The column each routed collection carries its own AGE in, and the keyset a
 *  page walks. A map rather than a literal per case: this router is mirrored
 *  door-for-door by Vendo Cloud's own typed doors, and a value copied across
 *  that seam is a retention sweep and a reader disagreeing about which column
 *  "older" is measured on — silently, in one deployment only. Exported so the
 *  mirror reads it instead of restating it. */
export declare const RESERVED_CURSOR_COLUMNS: {
    readonly vendo_grants: "granted_at";
    readonly vendo_approvals: "created_at";
    readonly vendo_audit: "at";
    readonly vendo_threads: "created_at";
    readonly vendo_automations: "created_at";
    readonly vendo_runs: "started_at";
    readonly vendo_apps: "created_at";
    readonly vendo_effects: "at";
    readonly vendo_app_grants: "created_at";
};
export declare function threadRecord(row: ThreadRow): VendoRecord;
export declare function createReservedRecordStore(db: Db, collection: string): RecordStore | undefined;
/**
 * `engine.list`'s FORWARD walk (01 §12 `Watermark`): oldest-first from a strict
 * lower bound on an indexed field, for the meter that has to resume where its
 * last pass stopped. The ordinary door pages newest-first and cannot express it.
 *
 * The gates live HERE, not at the call site, so no direct caller can bypass
 * them, and `configFor`'s `select`/`fromDb` are what make a walked record
 * indistinguishable from a listed one.
 *
 * PRECISION IS THE WHOLE POINT. The bound is compared at the column's FULL
 * precision (never `cursorMs`, which truncates to milliseconds) and the value
 * inside the echoed token is Postgres' own text rendering, so it round-trips
 * through `$1::timestamptz` unchanged. Do not route it through a JS `Date`: a
 * microsecond timestamp truncated to ms moves the bound BACKWARDS, and the
 * console lost a window of runs to exactly that — re-read and double-counted.
 * `Watermark.after` is contractually opaque precisely so this can stay a
 * database-native value.
 */
export declare function watermarkPage(db: Db, collection: string, query: EngineListQuery & {
    watermark: Watermark;
}): Promise<EngineListPage>;
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