import type { WorkspaceTarget } from '../workspace/contracts.js';
import type { WorkspaceTargetConfiguration } from '../workspace/configuration.js';
import type { HostDataCapabilities } from './contracts.js';
type Loader = NonNullable<WorkspaceTargetConfiguration['loadData']>;
interface Snapshot {
    status: 'idle' | 'loading' | 'ready' | 'error';
    data?: HostDataCapabilities;
    error?: string;
}
/** One runtime shares revision-bound capabilities between authoring, validation, and playback. */
export declare class WorkspaceDataCatalogs {
    private entries;
    private listeners;
    private disposed;
    subscribe: (listener: () => void) => () => void;
    private entry;
    getSnapshot: (target: WorkspaceTarget, load?: Loader) => Snapshot;
    getData(target: WorkspaceTarget, configuration?: WorkspaceTargetConfiguration): HostDataCapabilities | undefined;
    private update;
    acquire(target: WorkspaceTarget, load: Loader): () => void;
    retry(target: WorkspaceTarget, load: Loader): void;
    private start;
    dispose(): void;
}
export {};