import { LayoutItem } from "pdf-codec";
//#region src/layout/lattice.d.ts
interface LineSegment {
  readonly item: LayoutItem;
  readonly x1Pt: number;
  readonly y1Pt: number;
  readonly x2Pt: number;
  readonly y2Pt: number;
}
declare function extractLineCandidates(items: readonly LayoutItem[]): LineSegment[];
interface Range {
  readonly startPt: number;
  readonly endPt: number;
}
interface AxisLine {
  readonly position: number;
  readonly ranges: readonly Range[];
  readonly items: readonly LayoutItem[];
}
interface TableRegion {
  readonly rowStart: number;
  readonly rowEnd: number;
  readonly colStart: number;
  readonly colEnd: number;
}
declare function findCellRegions(rowLines: readonly AxisLine[], columnLines: readonly AxisLine[]): TableRegion[] | undefined;
interface GridLattice {
  readonly rowBoundariesDescPt: readonly number[];
  readonly columnBoundariesAscPt: readonly number[];
  readonly regions: readonly TableRegion[];
  readonly sourceItems: ReadonlySet<LayoutItem>;
}
declare function detectGridLattice(items: readonly LayoutItem[]): GridLattice | undefined;
declare function findRowIndex(rowBoundariesDescPt: readonly number[], yPt: number): number | undefined;
declare function findColumnIndex(columnBoundariesAscPt: readonly number[], xPt: number): number | undefined;
//#endregion
export { GridLattice, LineSegment, TableRegion, detectGridLattice, extractLineCandidates, findCellRegions, findColumnIndex, findRowIndex };