/**
 * EventPipeline — Reactive automation for the Mémoire daemon.
 *
 * Subscribes to engine events and file system changes, then drives
 * the pull → diff → auto-spec → generate pipeline automatically.
 */
import { EventEmitter } from "events";
import type { MemoireEngine } from "./core.js";
export interface PipelineConfig {
    figmaDebounceMs: number;
    specDebounceMs: number;
    autoPull: boolean;
    autoSpec: boolean;
    autoGenerate: boolean;
}
export interface PipelineStats {
    startedAt: string;
    pullCount: number;
    specCount: number;
    generateCount: number;
    syncCount: number;
    errorCount: number;
    lastPullAt: string | null;
    lastGenerateAt: string | null;
    lastError: string | null;
    queueDepth: number;
}
export interface PipelineEvent {
    type: PipelineEventType;
    timestamp: string;
    detail: string;
    data?: unknown;
}
export type PipelineEventType = "pull-started" | "pull-completed" | "pull-failed" | "spec-created" | "spec-updated" | "generate-started" | "generate-completed" | "generate-failed" | "generate-blocked" | "token-diff-detected" | "component-diff-detected" | "pipeline-error";
export declare class EventPipeline extends EventEmitter {
    private engine;
    private config;
    private stats;
    private queue;
    private processing;
    private specWatchers;
    private debounceTimers;
    private recentEvents;
    private static readonly MAX_RECENT_EVENTS;
    private lastSnapshot;
    private taskCounter;
    private engineEventHandler;
    constructor(engine: MemoireEngine, config?: Partial<PipelineConfig>);
    start(): void;
    stop(): void;
    getStats(): PipelineStats;
    getRecentEvents(): PipelineEvent[];
    private onEngineEvent;
    private onPullCompleted;
    private onSpecFileChanged;
    private enqueueTask;
    private processQueue;
    private executeTask;
    private startSpecWatchers;
    private snapshotDesignSystem;
    private diffTokenCount;
    private diffComponentCount;
    private emitPipelineEvent;
}