import { z } from "zod";
export declare const TIMELINE_MARKER_NAME: "remote-pi:timeline-v2";
export declare const MarkerSchemaV2: z.ZodUnion<readonly [z.ZodObject<{
    kind: z.ZodLiteral<"user">;
    message_id: z.ZodOptional<z.ZodString>;
    origin: z.ZodEnum<{
        unknown: "unknown";
        pwa: "pwa";
        extension: "extension";
    }>;
    delivery: z.ZodEnum<{
        unknown: "unknown";
        normal: "normal";
        queued: "queued";
    }>;
    sender_ref: z.ZodOptional<z.ZodString>;
    version: z.ZodLiteral<2>;
    event_id: z.ZodString;
    group_id: z.ZodString;
}, z.core.$strict>, z.ZodObject<{
    kind: z.ZodEnum<{
        assistant: "assistant";
        tool: "tool";
        provider_error: "provider_error";
    }>;
    version: z.ZodLiteral<2>;
    event_id: z.ZodString;
    group_id: z.ZodString;
}, z.core.$strict>, z.ZodObject<{
    version: z.ZodLiteral<2>;
    event_id: z.ZodString;
    kind: z.ZodEnum<{
        compaction: "compaction";
        branch_summary: "branch_summary";
        custom: "custom";
    }>;
    group_id: z.ZodOptional<z.ZodString>;
}, z.core.$strict>]>;
export type MarkerV2 = z.infer<typeof MarkerSchemaV2>;
export declare function parseMarkerV2(raw: unknown): MarkerV2;