import type { FnState } from "./runtime-state.ts";
export declare class FunctionRuntimeStore {
    private directory;
    private dirHash;
    private _lock;
    constructor(directory: string);
    private statePath;
    private toFile;
    save(states: Map<string, Map<string, FnState>>): Promise<void>;
    private _doSave;
    saveSync(states: Map<string, Map<string, FnState>>): void;
    load(): Map<string, Map<string, FnState>> | null;
}
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