export interface WorkUnderstandingEvaluationCase {
    expectedThreadKeys: string[];
    inferredThreadKeys: string[];
    evidenceBackedThreadKeys: string[];
}
export declare function evaluateWorkUnderstandingCase(input: WorkUnderstandingEvaluationCase): {
    precision: number;
    recall: number;
    evidenceCoverage: number;
    f1: number;
};
export interface QuickUnderstandingEvaluationCase extends WorkUnderstandingEvaluationCase {
    expectedSourceIds: string[];
    observedSourceIds: string[];
    startedAtMs: number;
    firstCandidateAtMs?: number;
    timeBudgetMs: number;
}
export type QuickUnderstandingGate = {
    minPrecision: number;
    minRecall: number;
    minEvidenceCoverage: number;
    minSourceCoverage: number;
};
export declare function evaluateQuickUnderstandingCase(input: QuickUnderstandingEvaluationCase): {
    sourceCoverage: number;
    timeToFirstCandidateMs: number;
    withinTimeBudget: boolean;
    precision: number;
    recall: number;
    evidenceCoverage: number;
    f1: number;
};
export declare function meetsQuickUnderstandingGate(metrics: ReturnType<typeof evaluateQuickUnderstandingCase>, gate: QuickUnderstandingGate): boolean;