export interface WorkspaceRegistration {
    id: string;
    canonicalRoot: string;
    displayName: string;
    source: "automatic" | "operator";
    allowedScopes: Array<"read" | "write">;
    createdAt: string;
    lastSeenAt: string;
}
export interface SafeWorkspaceMetadata {
    id: string;
    displayName: string;
    disambiguator: string;
    availability: "available" | "unavailable";
    allowedScopes: Array<"read" | "write">;
}
export declare class WorkspaceRegistry {
    readonly directory: string;
    readonly filePath: string;
    readonly backupPath: string;
    readonly lockPath: string;
    private inProcessQueue;
    constructor(directory?: string);
    private readDocument;
    private recoverStaleLock;
    private acquireFileLock;
    private writeDocument;
    private mutate;
    register(root: string, source?: WorkspaceRegistration["source"]): Promise<WorkspaceRegistration>;
    unregister(workspaceId: string): Promise<boolean>;
    get(workspaceId: string): Promise<WorkspaceRegistration | null>;
    listSafe(): Promise<SafeWorkspaceMetadata[]>;
}
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