import type { PersistencePort } from './persistence.js';
import type { ReplicaTransport } from './replica.js';
export interface DeterministicRuntime {
    clock(): number;
    identify(): string;
    advance(milliseconds: number): void;
}
export declare function deterministicRuntime(startAt?: number): DeterministicRuntime;
export declare function faultingPersistence(options?: {
    readonly failLoads?: number;
    readonly failSaves?: number;
    readonly corrupt?: boolean;
}): PersistencePort;
export declare function replicaTestBus(options?: {
    readonly dropEvery?: number;
    readonly reversePairs?: boolean;
}): {
    port(): ReplicaTransport;
    deliver(): void;
};
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