import { type FabricThinking } from "../thinking.js";
import { ActorStoreReadError } from "./store-read.js";
export interface ActorSessionBindingRecord {
    model?: string;
    thinking?: FabricThinking;
    updatedAt: number;
}
/**
 * Session-scoped model and thinking overrides for actors, shared on disk by
 * every store for the same session.
 *
 * Only a missing file reads as empty. When the file exists but cannot be read
 * or parsed, mutations throw ActorStoreReadError and leave the file alone,
 * get() keeps answering from the last good read, and readError reports the
 * failure until a later read succeeds. Entries that fail validation are kept
 * as written unless a mutation replaces that actor's binding.
 */
export declare class ActorBindingStore {
    #private;
    readonly sessionId: string;
    readonly filePath: string | undefined;
    constructor(sessionId: string, root: string | undefined);
    /** The error from the latest failed read, or undefined after a good read. */
    get readError(): ActorStoreReadError | undefined;
    get(actorId: string): ActorSessionBindingRecord | undefined;
    setModel(actorId: string, model: string | undefined): Promise<ActorSessionBindingRecord | undefined>;
    setThinking(actorId: string, thinking: FabricThinking | undefined): Promise<ActorSessionBindingRecord | undefined>;
    delete(actorId: string): Promise<boolean>;
}
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