import type { FlatBlock } from "@tooee/renderers";
/** One heading in a document outline. */
export interface OutlineEntry {
    /** The heading's index in the full row array, the same key folds use. */
    row: number;
    /** Heading level, 1 for `#`. */
    depth: number;
    /** Indent level in the outline: depth relative to the shallowest heading. */
    level: number;
    /** Unstyled heading text. */
    text: string;
}
/**
 * The headings of flattened Markdown blocks, in document order. Levels start
 * at 0 for the shallowest heading in the document, so a document that starts
 * at `##` is not indented.
 */
export declare const markdownOutline: (blocks: readonly FlatBlock[]) => OutlineEntry[];
/**
 * Index of the entry for the heading that contains `row`: the last heading at
 * or before it. Returns `-1` before the first heading or for an empty outline.
 */
export declare const outlineIndexAt: (entries: readonly OutlineEntry[], row: number) => number;
//# sourceMappingURL=markdown-outline.d.ts.map