import { type AllocationResource } from "@voyant-travel/availability/schema";
import type { PostgresJsDatabase } from "drizzle-orm/postgres-js";
import type { SeatLayoutCell, SeatLayoutSpec } from "./validation.js";
export interface AutoMaterializeRow {
    option_id: string;
    pax_count: number;
    capacity: number;
    name_pattern: string;
    ref_type: string | null;
    ref_id: string | null;
    layout: string | null;
    flags: Record<string, unknown> | null;
    option_name: string | null;
    sort_order: number | null;
}
/**
 * Writes each vehicle and its child seats through the transaction supplied by
 * `autoMaterializeAllocationResources`. Do not call with an unscoped database
 * handle: the caller must hold the availability-slot row lock for the full
 * read/check/write operation.
 */
export declare function materializeVehicleSeatGroupInTransaction(db: PostgresJsDatabase, slotId: string, group: AutoMaterializeRow, startingSequence: number): Promise<{
    resources: AllocationResource[];
    vehicleCount: number;
}>;
export declare function parseLayoutSpecFromFlags(flags: Record<string, unknown> | null): SeatLayoutSpec | null;
/**
 * Derive window/aisle/middle from a seat's neighbours in the same row.
 *
 *   - Touching an aisle or door cell -> "aisle" (the seat is on the aisle side)
 *   - Touching the row boundary or a void cell -> "window"
 *   - Surrounded by other seats -> "middle"
 *
 * Aisle takes precedence so the "window" tag is reserved for actual outer
 * seats; a 2-1 row's lone middle seat ends up "aisle" on both sides.
 */
export declare function positionFromCells(cells: ReadonlyArray<SeatLayoutCell>, index: number): "window" | "aisle" | "middle";
export declare function renderNamePattern(pattern: string, vars: Record<string, string>): string;