import { VeryfrontError } from "../../errors/index.js";
/** Return whether an event declares the private durable run-event discriminator. */
export declare function hasPrivateConversationRunEventType(value: unknown): value is object;
/** Return whether an event belongs to the private durable run-event sequence. */
export declare function isPrivateConversationRunEvent(value: unknown): boolean;
/** Failure to persist a required run event before its associated operation. */
export declare class DurableRunEventPersistenceError extends VeryfrontError {
    name: string;
    constructor(detail: string, options?: {
        cause?: unknown;
    });
}
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