import { z } from 'zod';
export declare const BackgroundAgentCancelledPayloadSchema: z.ZodObject<{
    transition: z.ZodLiteral<"cancelled">;
    jobId: z.ZodString;
    subagentId: z.ZodString;
    source: z.ZodEnum<{
        explicit: "explicit";
        cascade: "cascade";
    }>;
    cancelledBy: z.ZodOptional<z.ZodLiteral<"model">>;
    reason: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;