/**
 * A deliberately small, safe Markdown renderer for the Photon AI chat panel.
 *
 * ### Why not a Markdown library
 * Photon Grid Core is a zero-dependency package, and this needs to render a
 * *known, narrow* subset produced by our own system prompt — fenced code,
 * inline code, bold, headings, and lists. A general parser would add weight and
 * a much larger attack surface for no benefit.
 *
 * ### Safety
 * Model output is untrusted input. Nothing here ever assigns `innerHTML`;
 * every piece of text reaches the DOM through `textContent`, so a reply
 * containing `<img onerror=...>` renders as literal characters. This is the
 * single most important property of this file — if you add a feature here,
 * keep it true.
 *
 * @packageDocumentation
 */
/** One parsed top-level block of a reply. */
export type MarkdownBlock = {
    readonly kind: 'paragraph';
    readonly lines: readonly string[];
} | {
    readonly kind: 'heading';
    readonly level: number;
    readonly text: string;
} | {
    readonly kind: 'list';
    readonly ordered: boolean;
    readonly items: readonly string[];
} | {
    readonly kind: 'code';
    readonly language: string;
    readonly code: string;
};
/** An inline span within a paragraph, list item, or heading. */
export type InlineSpan = {
    readonly kind: 'text';
    readonly text: string;
} | {
    readonly kind: 'code';
    readonly text: string;
} | {
    readonly kind: 'strong';
    readonly text: string;
};
/**
 * Splits a reply into blocks.
 *
 * An unterminated fence (very common mid-stream, while the typewriter has only
 * revealed half a code block) is treated as a code block running to the end of
 * the text — so a partially-streamed reply renders as a growing code block
 * rather than briefly flashing its source as paragraphs.
 */
export declare function parseMarkdown(text: string): MarkdownBlock[];
/**
 * Splits one line into inline spans: `` `code` `` and `**strong**`.
 *
 * Code wins over emphasis, so `` `**not bold**` `` stays literal — matching
 * how every Markdown implementation (and every reader's expectation) behaves.
 */
export declare function parseInline(text: string): InlineSpan[];
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