import { RuntimeStateManager } from './store/runtime-state-manager.js';
import type { FailureCategory } from './pain-to-principle-service.js';
export interface PainChainTraceLatencyMs {
    painToTask?: number;
    taskToRun?: number;
    runToArtifact?: number;
    artifactToCandidate?: number;
    candidateToLedger?: number;
}
export interface PainChainTrace {
    painId: string;
    taskId: string;
    runId?: string;
    artifactId?: string;
    candidateIds: string[];
    ledgerEntryIds: string[];
    status: string;
    latencyMs: PainChainTraceLatencyMs;
    failureCategory: FailureCategory | null;
    checkedAt: string;
    missingLinks: string[];
}
export interface PainChainReadModelOptions {
    workspaceDir: string;
    stateManager?: RuntimeStateManager;
}
export declare class PainChainReadModel {
    private readonly workspaceDir;
    private stateManager;
    private readonly injectedStateManager;
    private ownsStateManager;
    constructor(opts: PainChainReadModelOptions);
    getTotalTaskCount(): Promise<number>;
    private initialized;
    private getStateManager;
    traceByPainId(painId: string): Promise<PainChainTrace>;
    getLastSuccessfulChain(): Promise<PainChainTrace | undefined>;
    close(): Promise<void>;
}
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