import type { PostgresJsDatabase } from "drizzle-orm/postgres-js";
import type { SqlExecutor } from "./service-allocation-sql.js";
export interface AllocationAuditLogEntry {
    id: string;
    slotId: string;
    action: string;
    actorId: string | null;
    travelerId: string | null;
    resourceId: string | null;
    before: Record<string, unknown> | null;
    after: Record<string, unknown> | null;
    createdAt: string;
}
export declare function listAllocationAuditLog(db: PostgresJsDatabase, slotId: string, limit?: number): Promise<AllocationAuditLogEntry[]>;
export declare function recordAllocationAudit(db: SqlExecutor, input: {
    slotId: string;
    action: string;
    actorId?: string | null;
    travelerId?: string | null;
    resourceId?: string | null;
    before?: Record<string, unknown> | null;
    after?: Record<string, unknown> | null;
}): Promise<void>;