import type { HasnaHttpTransport, HasnaRequestOptions } from "@hasna/contracts/client";
export type FeedFilter = {
    types: Array<string>;
    subject?: string;
};
export type FeedEvent = {
    event_id: string;
    envelope_sha256: string;
    accepted_at: string;
    envelope: Record<string, unknown>;
};
export type FeedPage = {
    protocol: "hasna.events.feed.v1";
    sink_id: string;
    consumer_id: string;
    producer_id: string;
    corpus_id: string;
    source_authority_id: string;
    tenant_id: string;
    filter: FeedFilter;
    events: Array<FeedEvent>;
    cursor: string;
    has_more: boolean;
    initialized: boolean;
};
export type FeedCapability = {
    protocol: "hasna.events.feed.v1";
    sink_id: string;
    consumer_id: string;
    producer_id: string;
    corpus_id: string;
    source_authority_id: string;
    tenant_id: string;
    filter: FeedFilter;
    start: "now";
    minimum_poll_seconds: 60;
};
export type FeedGrant = {
    sink_id: string;
    consumer_id: string;
    producer_id: string;
    corpus_id: string;
    source_authority_id: string;
    app: string;
    types: Array<string>;
    subject?: string;
};
export type FeedGrants = {
    protocol: "hasna.events.feed.v1";
    tenant_id: string;
    grants: Array<FeedGrant>;
    next: string | null;
};
export declare function feedGrants(client: HasnaHttpTransport, options: HasnaRequestOptions): Promise<FeedGrants>;
export declare function feedCapability(client: HasnaHttpTransport, options: HasnaRequestOptions): Promise<FeedCapability>;
export declare function readFeed(client: HasnaHttpTransport, options: HasnaRequestOptions): Promise<FeedPage>;