import { ContentParagraph, ContentRun, LayoutFrame } from "document-schema.js";
import { LayoutText } from "pdf-codec";
//#region src/layout/reconstruct-lines.d.ts
interface TextLine {
  readonly items: readonly LayoutText[];
  readonly baselineY: number;
}
declare const HALF_POINT_BUCKET_PT = 0.5;
declare function clusterIntoLines(items: readonly LayoutText[]): TextLine[];
declare function textItemVerticalExtent(item: LayoutText): {
  ascentPt: number;
  descentPt: number;
};
declare function textItemToContentRun(item: LayoutText): ContentRun;
declare const MIN_WORD_GAP_PT = 0.5;
declare function gapExceeds(previous: LayoutText, next: LayoutText, thresholdPt: number): boolean;
declare function textBoxOfItem(item: LayoutText, pageIndex: number): LayoutFrame;
declare function lineBox(line: TextLine, pageIndex: number): LayoutFrame;
declare function pushRunsForLine(runs: ContentRun[], line: TextLine, pageIndex: number): void;
declare function bucketCounts(values: readonly number[], bucketSize: number): Map<number, number>;
declare function modeOf(values: readonly number[], bucketSize: number): number;
declare const LARGE_GAP_EM_MULTIPLIER = 2;
declare function fontSizesClose(a: number, b: number): boolean;
declare const PARAGRAPH_GAP_MULTIPLIER = 1.25;
declare function estimateModalLineSpacing(lines: readonly TextLine[]): number;
interface TextParagraph {
  readonly lines: TextLine[];
}
declare function clusterIntoParagraphs(lines: readonly TextLine[]): TextParagraph[];
declare const LEFT_ALIGN_TOLERANCE_PT = 2;
declare function paragraphToContentParagraph(paragraph: TextParagraph, pageIndex: number, headingLevel: number | undefined): ContentParagraph;
//#endregion
export { pushRunsForLine as _, PARAGRAPH_GAP_MULTIPLIER as a, textItemVerticalExtent as b, bucketCounts as c, estimateModalLineSpacing as d, fontSizesClose as f, paragraphToContentParagraph as g, modeOf as h, MIN_WORD_GAP_PT as i, clusterIntoLines as l, lineBox as m, LARGE_GAP_EM_MULTIPLIER as n, TextLine as o, gapExceeds as p, LEFT_ALIGN_TOLERANCE_PT as r, TextParagraph as s, HALF_POINT_BUCKET_PT as t, clusterIntoParagraphs as u, textBoxOfItem as v, textItemToContentRun as y };