import { type AssetLoadError, type Result } from '@forgeax/engine-types';
export interface ArtifactCacheSnapshot {
    readonly entries: number;
    readonly pending: number;
    readonly hits: number;
    readonly misses: number;
}
export declare class ArtifactCache {
    private readonly values;
    private readonly pending;
    private hits;
    private misses;
    read(contentAddress: string, reader: () => Promise<Result<Uint8Array, AssetLoadError>>): Promise<Result<Uint8Array, AssetLoadError>>;
    clear(contentAddress?: string): void;
    snapshot(): ArtifactCacheSnapshot;
}
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