/**
 * DOCX Module - Reference Scanners
 *
 * Shared helpers for scanning the document model for image / hyperlink /
 * chart references that need to be registered against a part-level .rels
 * file. Used by both the bulk packager and the streaming writer to avoid
 * behaviour drift in how header/footer/notes/comments parts collect their
 * own relationships.
 */
import type { ChartContent, HeaderFooterContent, Hyperlink, Paragraph, ParagraphChild } from "../types.js";
/**
 * Recursively collect image rIds referenced inside a list of paragraph
 * children. Descends into track-change wrappers (`InsertedRun`,
 * `MovedToRun`, etc.) so an image embedded inside `<w:ins>...</w:ins>` is
 * not silently lost.
 */
export declare function scanChildrenForImages(children: readonly ParagraphChild[], out: Set<string>): void;
/**
 * Recursively collect external-URL hyperlinks from a list of paragraph
 * children. Descends into track-change wrappers so an inserted hyperlink
 * isn't dropped.
 *
 * Always emits hyperlinks that carry a `url`, regardless of whether the
 * model already has an `rId`. Reader-supplied `rId`s are stale once the
 * package is repackaged because the relationship table is rebuilt from
 * scratch — the packager assigns its own canonical `rId<N>` and exposes
 * it via the `hyperlinkRIds` WeakMap, which the renderer consults.
 */
export declare function scanChildrenForHyperlinks(children: readonly ParagraphChild[], out: Hyperlink[]): void;
/** Collect all image rIds referenced in header/footer content. */
export declare function collectImageRidsFromContent(content: HeaderFooterContent): Set<string>;
/** Collect hyperlinks from header/footer content. */
export declare function collectHyperlinksFromHeaderFooter(content: HeaderFooterContent): Hyperlink[];
/** Collect all chart contents inside header/footer content. */
export declare function collectChartsFromHeaderFooter(content: HeaderFooterContent, out: ChartContent[]): void;
/** Collect image rIds and hyperlinks from a notes/comments collection. */
export declare function collectImageRidsFromNotes(notes: readonly {
    content: readonly Paragraph[];
}[] | undefined): Set<string>;
export declare function collectHyperlinksFromNotes(notes: readonly {
    content: readonly Paragraph[];
}[] | undefined): Hyperlink[];