import { type APArticle, type APNote, type APCreate } from './activityTypes.js';
export interface ContentItemInput {
    id: string;
    type: string;
    title: string;
    slug: string;
    description?: string | null;
    content?: unknown;
    coverImageUrl?: string | null;
    publishedAt?: Date | null;
    updatedAt?: Date | null;
    /** Tag names to include as AP Hashtag objects */
    tags?: string[];
    /** Stored canonical AP object URI — if present, used instead of generating one */
    apObjectId?: string | null;
    /** CommonPub metadata: difficulty, build time, cost, parts, etc. */
    difficulty?: string | null;
    buildTime?: string | null;
    estimatedCost?: string | null;
    parts?: unknown[] | null;
}
export interface AuthorInput {
    username: string;
    displayName?: string | null;
}
export interface CommentInput {
    id: string;
    content: string;
    targetId: string;
    targetType: string;
    createdAt?: Date | null;
}
/** Map a CommonPub content item to an AP Article */
export declare function contentToArticle(item: ContentItemInput, author: AuthorInput, domain: string): APArticle;
/**
 * Build a Create activity wrapping a content item's AP Article, suitable for an
 * actor's OUTBOX projection.
 *
 * Unlike `buildCreateActivity` (which stamps a RANDOM activity id + `published: now`),
 * this is DETERMINISTIC: the activity id is `<object id>#create` and `published` is the
 * content's real publish time. Both properties are load-bearing for the outbox:
 *  - the outbox is rebuilt on every crawl, so the activity id must be stable (otherwise
 *    every render emits a new id, breaking consumer de-dup / caching), and
 *  - bounded backfill paginates by `published`, so it must reflect the real date, not "now".
 *
 * De-dup on the consumer side keys on `object.id` (the content's canonical AP URI), so
 * sharing this builder between live delivery and the outbox never produces duplicates.
 */
export declare function contentToCreateActivity(item: ContentItemInput, author: AuthorInput, domain: string): APCreate;
/** Escape HTML for safe embedding in AP objects */
export declare function escapeHtmlForAP(text: string): string;
/** Map a CommonPub comment to an AP Note */
export declare function contentToNote(comment: CommentInput, author: AuthorInput, domain: string, parentObjectUri?: string): APNote;
/** Parse an AP Article into a content insert shape */
export declare function articleToContent(article: APArticle): {
    title: string;
    content: string;
    description?: string;
    coverImageUrl?: string;
    publishedAt?: Date;
};
/** Parse an AP Note into a comment insert shape */
export declare function noteToComment(note: APNote): {
    content: string;
    inReplyTo?: string;
};
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