/**
 * Content Transformer
 *
 * Transforms ContentDocument instances into ArticleMetadata
 * for rendering with the val-article component.
 */
import { ArticleMetadata } from '../../components/organisms/article/types';
import { ContentDocument } from './types';
/**
 * ContentTransformer converts ContentDocument objects into ArticleMetadata
 * that can be rendered by the val-article component.
 *
 * @example
 * ```typescript
 * const doc: BlogPost = { ... };
 * const article = ContentTransformer.toArticle(doc);
 * // Use article with <val-article [props]="article">
 * ```
 */
export declare class ContentTransformer {
    /**
     * Transforms a ContentDocument into ArticleMetadata
     *
     * @param doc - The content document to transform
     * @returns ArticleMetadata ready for val-article component
     */
    static toArticle(doc: ContentDocument): ArticleMetadata;
    /**
     * Adds header elements based on document type and metadata
     */
    private static addHeader;
    /**
     * Adds footer elements based on document type
     */
    private static addFooter;
    /**
     * Adds author information block
     */
    private static addAuthorBlock;
    /**
     * Transforms a single content block and adds it to the builder
     */
    private static addBlock;
    /**
     * Adds a heading block
     */
    private static addHeading;
    /**
     * Adds a paragraph block
     */
    private static addParagraph;
    /**
     * Adds a quote block
     */
    private static addQuote;
    /**
     * Adds a code block
     */
    private static addCode;
    /**
     * Adds a list block
     */
    private static addList;
    /**
     * Adds an image block
     */
    private static addImage;
    /**
     * Adds a callout/note block
     */
    private static addCallout;
    /**
     * Adds a divider/separator block
     */
    private static addDivider;
    /**
     * Adds a button block
     */
    private static addButton;
    /**
     * Adds a command/terminal block
     */
    private static addCommand;
}
/**
 * Convenience function to transform a ContentDocument to ArticleMetadata
 *
 * @param doc - The content document to transform
 * @returns ArticleMetadata ready for val-article component
 *
 * @example
 * ```typescript
 * const article = toArticle(myBlogPost);
 * ```
 */
export declare function toArticle(doc: ContentDocument): ArticleMetadata;