import type { ActiveRun, KdFact, KdQuestion } from "./types.ts";
export declare function formatQuestionMemory(run: ActiveRun): string;
export declare function formatAnsweredQuestionFacts(run: ActiveRun): string;
export declare function formatCurrentFacts(run: ActiveRun): string;
export declare function currentFactsForRun(run: ActiveRun): KdFact[];
export declare function rejectedFactsForRun(run: ActiveRun): KdFact[];
export declare function currentFactForLabel(run: ActiveRun, label: string): KdFact | undefined;
export declare function hasCurrentFactForLabel(run: ActiveRun, label: string): boolean;
export declare function factFromAnsweredQuestion(question: KdQuestion, now?: string): KdFact | undefined;
export declare function inferFactLabelFromQuestion(question: string): string | undefined;
export declare function questionFactLabelMismatchReason(input: {
    question: string;
    factLabel?: string;
}): string | undefined;
export declare function invalidFactValueReason(value: string): string | undefined;
export declare function invalidConfirmationAnswerReason(value: string): string | undefined;
export declare function factKey(label: string): string;
export declare function upsertFact(facts: KdFact[] | undefined, next: KdFact): KdFact[];