import type { ObservationDraft } from "../../stores/observation-store.js";
import type { FetchSinceContext, FetchSinceResult, WorldSourceAdapter } from "../../../../domain/sentinel/world/world-source-adapter.js";
import type { WorldEvent } from "../../../../domain/sentinel/world/world-event.js";
import { policyFetch } from "../policy-fetch.js";
import { WorldCache } from "../../stores/world-store.js";
export declare const NPM_ADAPTER_KIND = "npm";
export interface NpmAdapterOptions {
    readonly packageName: string;
    readonly cache: WorldCache;
    readonly fetchImpl?: typeof policyFetch;
    readonly registry?: string;
}
export declare class NpmSourceAdapter implements WorldSourceAdapter {
    private readonly options;
    readonly kind: "npm";
    readonly id: string;
    readonly subject: string;
    constructor(options: NpmAdapterOptions);
    private registryUrl;
    fetchSince(context: FetchSinceContext): Promise<FetchSinceResult>;
    normalize(event: WorldEvent): ObservationDraft;
}
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