import type { DurableEffectRecord, DurableEffectState } from "./durable-types.js";
export interface DurableEffectTransitionInput {
    readonly effectId: string;
    readonly version: number;
    readonly from: DurableEffectState;
    readonly to: DurableEffectState;
    readonly updatedAt: number;
    readonly errorCode?: string;
}
export interface DurableEffectProtocol {
    transition(current: DurableEffectRecord | undefined, input: DurableEffectTransitionInput): DurableEffectRecord | undefined;
}
export declare const durableEffectProtocol: DurableEffectProtocol;
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