import type { TurnProjection } from "../../schemas/projection";
export interface RawEvent {
    type: string;
    payload: Record<string, unknown>;
}
/** 在任何事件处理前确认 Socket.IO 批次已到达客户端。 */
export declare function acknowledgeTurnEvents(acknowledge?: () => void): void;
export type ProjectionUpdate = {
    kind: "upsert";
    turn: TurnProjection;
} | {
    kind: "workspace_changed";
    loopId: string;
    toolCallId?: string;
    toolName?: string;
    workspacePath?: string;
};
/** 是否包含会改变聊天运行生命周期的事件。纯观测/整理事件不启动新一轮。 */
export declare function hasChatRunEvent(events: RawEvent[]): boolean;
/**
 * 缺失 chat:end 时的终态兜底。只有被投影接受到当前 assistant turn 的 followup
 * 才能结束流式态；陈旧 followup 或其后已有新轮事件时均返回 false。
 */
export declare function acceptedPostChatFollowupCompletesLatestRun(events: RawEvent[], updates: ProjectionUpdate[]): boolean;
export declare class ClientProjectionBuilder {
    private activeTurns;
    private lastTurnIds;
    private latestTurns;
    private turnsById;
    private loopDescriptions;
    /** loop_name → 正在运行的子智能体起点，agent:end 结算并挂到父工具调用上。 */
    private activeSubagentRuns;
    private pendingChildPauses;
    private pendingMemoryRefs;
    private activeCompactions;
    private failedCompactions;
    private chatRun;
    private chatTurnIds;
    private seq;
    private syntheticCounter;
    private displayNameResolver;
    constructor(displayNameResolver?: (name: string) => string);
    processBatch(events: RawEvent[]): ProjectionUpdate[];
    processEvent(event: RawEvent): ProjectionUpdate[] | null;
    private processTurnEvent;
    reset(): void;
    seedSequence(maxSeq: number): void;
    _seedTurns(turns: TurnProjection[]): void;
    private onMemoryInject;
    private onContextEntry;
    private onLoopTurn;
    private onModeChange;
    private onPlanStatusUpdate;
    private onWorkspaceChanged;
    private onAgentStart;
    private onBgStarted;
    private onBgTasksCompleted;
    private onAskUserAnswer;
    private onUserMessage;
    private onPostChatFollowup;
    private onDelta;
    private onToolCallCreated;
    private onToolCallArgumentsDelta;
    private onResponseDone;
    private applyFirstTokenDelivery;
    private applyStreamTiming;
    private onToolResultDone;
    private onToolResultDelta;
    private onToolUi;
    private onToolBridge;
    private onToolApprovalRequired;
    private onChildPause;
    private onChatEnd;
    private onAgentEnd;
    private settleSubagentRun;
    private dropIncompleteToolCalls;
    private onCompaction;
    private syncPatch;
    private finalize;
    private shouldFinalizeAfterToolResults;
    private collectLoopUpdates;
    private nextSeq;
    private nextTurnId;
}