/**
 * SQLite implementation of SourceTraceLocator.
 *
 * Resolves source pain trajectories by:
 * 1. Using TrajectoryLocator to find session-scoped task candidates
 * 2. Filtering by excludeTaskIds to prevent self-trace
 * 3. Matching each candidate's diagnosticJson.sourcePainId or diagnosticJson.painId
 *    against the query's sourcePainId
 * 4. Returning structured decisions for missing/mismatch/ambiguous cases
 *
 * Key invariant: sourcePainId is mandatory for a `found` result.
 * sessionIdHint narrows scope but cannot produce a candidate alone.
 */
import type { TaskStore } from '../task/task-store.js';
import type { TrajectoryLocator } from './trajectory-locator.js';
import { type SourceTraceLocateQuery, type SourceTraceLocateResult, type SourceTraceLocator } from './source-trace-locator.js';
export declare class SqliteSourceTraceLocator implements SourceTraceLocator {
    private readonly taskStore;
    private readonly trajectoryLocator;
    constructor(taskStore: TaskStore, trajectoryLocator: TrajectoryLocator | undefined);
    locate(query: SourceTraceLocateQuery): Promise<SourceTraceLocateResult>;
}
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