export interface HostFingerprint {
    id: string;
    cpu: string;
    cores: number;
    totalMemGb: number;
}
export declare function currentHostFingerprint(): HostFingerprint;
export declare function isHostFingerprint(value: unknown): value is HostFingerprint;
export interface HostStateMutation<TResult> {
    result: TResult;
    changed: boolean;
}
export interface HostStateStoreOptions<THostData> {
    filePath: string;
    version: number;
    fingerprint?: () => HostFingerprint;
    readOnly?: boolean;
    parseHost(value: unknown, hostId: string): THostData | undefined;
}
/** Shared lock-safe, atomic substrate for versioned state partitioned by host fingerprint. */
export declare class HostStateStore<THostData> {
    private readonly filePath;
    private readonly version;
    private readonly fingerprint;
    private readonly readOnly;
    private readonly parseHost;
    constructor(options: HostStateStoreOptions<THostData>);
    private currentHost;
    getHost(hostId?: string): THostData | undefined;
    getAllHosts(): THostData[];
    mutateCurrentHost<TResult>(create: (host: HostFingerprint) => THostData, mutate: (data: THostData, host: HostFingerprint) => HostStateMutation<TResult>): TResult;
    private load;
}
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