import { c as Value, l as XY, r as SummaryStrings, s as Polarity } from "./summary-D8UEQXYr.js";
import { n as Format } from "./format-Dq02z5ZL.js";
import { CSSProperties, ReactNode } from "react";
//#region src/core/strings-spread-band.d.ts
type SpreadBandStrings = Pick<SummaryStrings, "noData" | "spreadBand" | "spreadBandFlip" | "spreadBandNever" | "spreadBandTie" | "spreadBandAt" | "spreadBandAtTie" | "spreadBandAtEmpty">;
//#endregion
//#region src/charts/spread-band/geometry.d.ts
/** One paired reading: `a` = the subject, `b` = the reference it is judged against. */
interface SpreadDatum {
  a: Value;
  b: Value;
}
interface SpreadBandGeometry {
  /** Subject line (a) — the loud mark. */
  subjectD: string;
  /** Reference line (b) — the quiet mark. */
  referenceD: string;
  /** Filled regions where a > b (one `<path>`, many subpaths). */
  aLeadBand: string;
  /** Filled regions where a < b. */
  bLeadBand: string;
  subjectPoints: (XY | null)[];
  referencePoints: (XY | null)[];
  /** Interpolated a=b crossing points (dots). */
  crossings: XY[];
  /** Right-hand index (0-based) of the last sign flip, or null if none. */
  lastFlip: number | null;
  /** Last present pair — anchors the endpoint dots, gap label, leader read. */
  last: {
    x: number;
    ya: number;
    yb: number;
    a: number;
    b: number;
    index: number;
  } | null;
  /** True when every present pair has a === b (identical series → one line). */
  coincident: boolean;
  plot: {
    x0: number;
    x1: number;
    y0: number;
    y1: number;
  };
  /** Resolved shared value domain `[min,max]` — the annotation-host y-frame. */
  domain: readonly [number, number];
}
//#endregion
//#region src/charts/spread-band/index.d.ts
/** Signed gap string — direction lives in the sign (and the text), not the color. */
declare function signedGap(gap: number, fmt: (n: number) => string): string;
/** Placeholder names, used for whichever half of the pair the caller omitted. */
declare const DEFAULT_SERIES_LABELS: readonly [string, string];
/** Both names, always. A summary names the leader AND the side it leads, so a
 *  pair that is short or blank still needs something to call the other one —
 *  never `undefined` in a sentence. */
declare function seriesPair(labels: readonly (string | undefined)[] | undefined): [string, string];
/** Leader, gap, and last crossover. */
declare function spreadBandSummary(geo: SpreadBandGeometry, labels: readonly [string, string], fmt: (n: number) => string, strings: SpreadBandStrings): string;
interface SpreadBandProps {
  /** Paired readings: `a` = subject, `b` = reference. Null in either = gap in both. */
  data: readonly SpreadDatum[];
  /** Names the two series in summaries/announcements/label. Default `["A", "B"]`. */
  seriesLabels?: readonly [string, string] | undefined;
  /** Which lead is the good valence — `"down"` flips the fill colors. Default `"up"`. */
  positive?: Polarity | undefined;
  /** `"gap"` (default) states the current signed gap in a right gutter. */
  label?: "gap" | "none" | undefined;
  domain?: readonly [number, number] | undefined;
  width?: number | undefined;
  height?: number | undefined;
  /** Overrides the subject line stroke only. */
  color?: string | undefined;
  format?: Format | undefined;
  locale?: string | string[] | undefined;
  strings?: SpreadBandStrings | undefined;
  /** Minimum in-chart label size, in viewBox units. Geometry sizes labels from
   *  the mark and floors them at 7; this raises that floor and moves the
   *  reserved gutter with it. A label the box cannot seat at the raised floor
   *  drops rather than shrinking back under it. */
  labelSize?: number | undefined;
  title?: string | undefined;
  summary?: string | false | undefined;
  id?: string | undefined;
  className?: string | undefined;
  style?: CSSProperties | undefined;
  children?: ReactNode | undefined;
}
declare function SpreadBand(props: SpreadBandProps): ReactNode;
//#endregion
export { signedGap as a, seriesPair as i, SpreadBand as n, spreadBandSummary as o, SpreadBandProps as r, DEFAULT_SERIES_LABELS as t };