import { type JSONContent } from "@tiptap/core";
/**
 * Parse a GFM markdown string into an array of top-level ProseMirror node JSON
 * (paragraph / heading / list / table / code block / etc.), matching the live
 * plan editor schema (`createSharedEditorExtensions({ dialect: "gfm",
 * features: { image: true } })`) plus the {@link RunId} attribute.
 *
 * `tiptap-markdown` registers the markdown parser, so handing the raw markdown
 * string to `setContent` deserializes it (the same path the live editor uses
 * when it seeds `content: markdown`). Returns the doc's child nodes; an empty
 * string yields a single empty paragraph.
 */
export declare function gfmToProseJSON(markdown: string): JSONContent[];
/**
 * Serialize an array of top-level ProseMirror node JSON into GFM markdown. The
 * `runId` attribute is omitted by GFM (the {@link RunId} extension registers no
 * markdown serializer), so it never leaks into the saved markdown.
 *
 * The nodes are wrapped in a `doc` and set on the shared editor, then the GFM
 * markdown is read from the tiptap-markdown storage — the exact serializer the
 * live editor persists with, so output is byte-stable with the live save path.
 */
export declare function proseJSONToGfm(nodes: JSONContent[]): string;
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