import type { CatalogDiagnostic, CatalogEntry, ResourceRevision } from '@forgeax/engine-types';
import { type AssetLoadError, type Result } from '@forgeax/engine-types';
import type { CatalogSource } from '../catalog-source.js';
import { type RuntimeCatalogRow } from './validate-runtime-row.js';
export interface CatalogSessionOptions {
    readonly scopeId?: string;
    readonly generation?: number;
}
export interface CatalogSessionSnapshot {
    readonly scopeId: string;
    readonly generation: number;
    readonly epoch: number;
    readonly revision?: ResourceRevision;
    readonly entries: readonly CatalogEntry[];
    readonly changed: readonly string[];
    readonly removed: readonly string[];
    readonly diagnostics: readonly CatalogDiagnostic[];
    readonly listenerFailures: number;
    readonly stale: boolean;
}
type SessionResult = Result<CatalogSessionSnapshot, AssetLoadError>;
type SessionListener = (snapshot: CatalogSessionSnapshot) => void;
export declare class CatalogSession {
    private readonly source;
    private readonly scopeId;
    private readonly generation;
    private readonly entries;
    private readonly reads;
    private readonly lifetime;
    private readonly listeners;
    private unsubscribe;
    private baselinePromise;
    private reconcilePromise;
    private pending;
    private currentSnapshot;
    private revision;
    private diagnostics;
    private listenerFailures;
    private changed;
    private removed;
    private epoch;
    private stale;
    private staleGeneration;
    private started;
    private disposed;
    constructor(source: CatalogSource, options?: CatalogSessionOptions);
    start(): Promise<SessionResult>;
    reconcile(): Promise<SessionResult>;
    current(guid: string): CatalogEntry | undefined;
    get(guid: string): Promise<Result<RuntimeCatalogRow, AssetLoadError>>;
    snapshot(): CatalogSessionSnapshot;
    discontinuity(): AssetLoadError | undefined;
    subscribe(listener: SessionListener): () => void;
    dispose(): void;
    private receive;
    private resolveRow;
    private fold;
    private addDiagnostic;
    private markStale;
    private publish;
    private disposedError;
}
export {};
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