import type { AssertionKind, AssertionVolatility, UserAssertion } from './domain.js';
export declare function defaultReviewAt(volatility: AssertionVolatility, observedAt: number): number | undefined;
export declare function requiresBoundedValidity(kind: AssertionKind, volatility: AssertionVolatility): boolean;
export declare function isAssertionValidAt(assertion: UserAssertion, asOf: number): boolean;
export interface CurrentAssertionResolution {
    assertion?: UserAssertion;
    conflict: boolean;
    contenders: UserAssertion[];
}
export declare function resolveCurrentAssertion(assertions: UserAssertion[], asOf?: number): CurrentAssertionResolution;