/**
 * Resolves the `--input` flag to an ordered list of absolute markdown file paths.
 * - A directory ⇒ recursively collected `*.md`/`*.markdown`, sorted (stable order).
 * - A comma-separated list ⇒ used in the exact order given (each must exist).
 * Returns an empty array when nothing matches, so the caller can warn cleanly.
 */
export declare function resolveMarkdownInputs(input: string, cwd: string): string[];
export declare class PuppeteerUnavailableError extends Error {
    constructor();
}
/**
 * Renders a full HTML page to a PDF buffer via puppeteer (bundled Chromium).
 * Throws {@link PuppeteerUnavailableError} when puppeteer is not installed so the
 * caller can surface an actionable message instead of a generic failure.
 *
 * When `opts.deck` is set the PDF is printed with Chrome's NATIVE running header
 * and footer (`displayHeaderFooter` + header/footer templates) drawn in the
 * reserved `@page` margin band on every page — the flip-safe replacement for a
 * `position: fixed` header (GH-doc-deck-mode). The margin matches the reference
 * deck (84px top / 48px bottom, 0 sides so the mascot band spans full width).
 */
export declare function renderHtmlToPdf(html: string, opts?: {
    deck?: boolean;
}): Promise<Buffer>;
/**
 * Concatenates the given markdown files (in the order provided) into a single
 * document, separating each with a page break, then renders it to a single PDF —
 * with embedded ```mermaid fences rendered to SVG (via wrapMarkdownAsHtml). Each
 * doc's own first heading serves as its title (matching the reference
 * theme-slds.css pipeline); no synthetic filename heading is injected.
 */
export declare function consolidateMarkdownToPdf(files: string[], cwd: string, opts?: {
    deck?: boolean;
}): Promise<Buffer>;
/**
 * Consolidates markdown into a self-contained HTML document. Deck output adds
 * client-side navigation while keeping the underlying slide markup printable.
 */
export declare function consolidateMarkdownToHtml(files: string[], cwd: string, opts?: {
    deck?: boolean;
}): Promise<string>;