import { Content, ContentOptions } from './content';
/**
 * Article content type
 *
 * Represents editorial content like blog posts, news articles, and written pieces.
 */
export declare class Article extends Content {
    constructor(options?: ContentOptions);
}
/**
 * ContentDocument content type
 *
 * Represents structured documents like PDFs, reports, and technical documentation.
 */
export declare class ContentDocument extends Content {
    constructor(options?: ContentOptions);
}
export interface MirrorOptions extends ContentOptions {
    feedSourceId?: string | null;
    sourceGuid?: string | null;
    sourceName?: string | null;
    sourceHomepageUrl?: string | null;
    externalUrl?: string | null;
    originalPublishedAt?: Date | string | null;
    dedupeKey?: string | null;
}
/**
 * Mirror content type
 *
 * Represents mirrored/cached content from external feed or web sources.
 */
export declare class Mirror extends Content {
    feedSourceId: string | null;
    sourceGuid: string | null;
    sourceName: string | null;
    sourceHomepageUrl: string | null;
    externalUrl: string | null;
    originalPublishedAt: Date | null;
    dedupeKey: string | null;
    constructor(options?: MirrorOptions);
    protected transformJSON(json: Record<string, unknown>): {
        feedSourceId: string | null;
        sourceGuid: string | null;
        sourceName: string | null;
        sourceHomepageUrl: string | null;
        externalUrl: string | null;
        originalPublishedAt: string | null;
        dedupeKey: string | null;
    };
}
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