import { type IntakeBinding } from "../intake/protocol.js";
import type { EventEnvelope } from "../types.js";
export declare const FEED_PROTOCOL = "hasna.events.feed.v1";
export declare const MAX_FEED_EVENTS = 20;
export declare const MAX_FEED_BYTES: number;
export interface FeedBinding extends IntakeBinding {
    consumer_id: string;
}
export interface FeedFilter {
    types: string[];
    subject?: string;
}
export interface FeedEvent {
    event_id: string;
    envelope_sha256: string;
    accepted_at: string;
    envelope: EventEnvelope;
}
export interface FeedPage extends FeedBinding {
    protocol: typeof FEED_PROTOCOL;
    tenant_id: string;
    filter: FeedFilter;
    events: FeedEvent[];
    cursor: string;
    has_more: boolean;
    initialized: boolean;
}
export declare function feedBinding(raw: unknown): FeedBinding;
export declare function feedTypes(raw: unknown): string[];
export declare function feedFilter(raw: unknown): FeedFilter;
export declare function feedLimit(raw?: unknown): number;
export declare function feedCursor(raw: unknown): string;
export declare function validateFeedPage(raw: unknown, binding: FeedBinding, tenant: string, filter: FeedFilter): FeedPage;