import { CoverageState } from "../domain/types";
export declare class CoverageTracker {
    private readonly options;
    private hardCommittedMs;
    private softCommittedMs;
    private lastFinalCoverageMs;
    private lastStablePartialCoverageMs;
    private lastCommitAdvanceAt;
    private lastPartialNormalized;
    private lastPartialCoverageMs;
    private partialStreakCount;
    private partialStreakStartedAt;
    constructor(options: {
        partialStabilityMinCount: number;
        partialStabilityMinMs: number;
    });
    onTranscriptMessage(input: unknown, now?: number): CoverageState;
    getState(): CoverageState;
    private snapshot;
    private extractLastWordEndMs;
    private trackPartialStability;
    private computeStablePartialCoverage;
}
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