import type { MessageUpdateEvent, SessionManager, ToolExecutionEndEvent, ToolExecutionStartEvent, ToolExecutionUpdateEvent } from "@earendil-works/pi-coding-agent";
import { type JsonValue, type TimelineEvent, type TimelinePartial } from "../protocol/v2/index.js";
export declare const TIMELINE_MARKER: "remote-pi:timeline-v2";
type MessageRole = "user" | "assistant" | "toolResult";
export type Correlation = {
    /** 内部投递令牌只在内存回调链中流转，不写入 marker 或协议帧。 */
    deliveryToken?: string;
    clientRequestId?: string;
    channelId?: string;
    requestId?: string;
    origin: "pwa" | "extension" | "unknown";
    delivery: "normal" | "queued" | "unknown";
    senderRef?: string;
};
type SessionEntry = ReturnType<SessionManager["getBranch"]>[number];
export type TimelineStarted = {
    eventId: string;
    groupId: string;
    role: MessageRole;
    correlation: Correlation;
    blocks: JsonValue[];
};
export type TimelineRuntimeOptions = {
    getHistoryGeneration?: () => string;
    onStarted?: (started: TimelineStarted) => void;
    onPublished?: (event: TimelineEvent, correlation: Correlation) => void;
    onPartial?: (partial: TimelinePartial, correlation: Correlation) => void;
};
export declare class TimelineRuntime {
    private readonly correlations;
    private readonly messageCorrelations;
    private readonly pending;
    private readonly pendingByRole;
    private readonly published;
    private readonly toolAssociations;
    private sessionManager;
    private epoch;
    private stateRevision;
    private activeGroupId;
    private active;
    private readonly getHistoryGenerationValue?;
    private readonly onStarted?;
    private readonly onPublished?;
    private readonly onPartial?;
    constructor(options?: TimelineRuntimeOptions);
    attach(sessionManager: SessionManager): void;
    resetSession(sessionManager: SessionManager): void;
    private resetState;
    get sessionId(): string | null;
    get historyGeneration(): string | null;
    get currentEpoch(): number;
    get currentGroupId(): string | null;
    getPublishedEvents(): readonly TimelineEvent[];
    getCorrelation(message: object): Correlation | undefined;
    publishSessionEntry(entry: SessionEntry, sessionManager: SessionManager): TimelineEvent | null;
    runWithCorrelation<T>(correlation: Correlation, callback: () => T): T;
    currentCorrelation(): Correlation | undefined;
    onAgentStart(): void;
    onAgentEnd(): void;
    onMessageStart(message: unknown, sessionManager: SessionManager): TimelineStarted | null;
    onMessageUpdate(event: MessageUpdateEvent, sessionManager: SessionManager): void;
    onMessageEnd(message: unknown, sessionManager: SessionManager): void;
    onToolExecutionStart(event: ToolExecutionStartEvent, sessionManager: SessionManager): void;
    onToolExecutionUpdate(event: ToolExecutionUpdateEvent, sessionManager: SessionManager): void;
    onToolExecutionEnd(event: ToolExecutionEndEvent, sessionManager: SessionManager): void;
    private publishToolPartial;
    recover(sessionManager: SessionManager): TimelineEvent[];
    private findPending;
    private messageIdentity;
    private publish;
    private publishPartial;
    private partialDeltaChunks;
    private correlationFor;
    private buildMarker;
    private parseMarker;
    private correlationFromMarker;
    private roleForMarker;
    private scanTargetAfterMarker;
    private toTimelineEvent;
    private toSystemEvent;
    private asMessageRecord;
    private messageRole;
    private timestamp;
    private userBlocks;
    private assistantBlocks;
    private textFromContent;
    private nonEmpty;
    private base64Length;
}
export {};