import { r as SummaryStrings } from "./summary-D8UEQXYr.js";
import { n as Format } from "./format-Dq02z5ZL.js";
import { CSSProperties, ReactNode } from "react";
//#region src/core/strings-retention.d.ts
type RetentionStrings = Pick<SummaryStrings, "noData" | "retention" | "retentionNoPlateau" | "retentionAt">;
//#endregion
//#region src/charts/retention-curve/geometry.d.ts
type RetentionCurveType = "step" | "smooth";
interface RetentionPoint {
  /** Original period index (0 = cohort start). */
  period: number;
  x: number;
  y: number;
  value: number;
  /** Benchmark value + its y at this period, if a benchmark covers it. */
  bench: number | null;
  benchY: number | null;
}
interface RetentionGeometry {
  line: {
    d: string;
  };
  ghost: {
    d: string;
  } | null;
  /** Per-period positions — overlays + nearest-x. */
  points: RetentionPoint[];
  last: {
    x: number;
    y: number;
    value: number;
  };
  /** Present only when the documented plateau criterion holds. `from` is a
   *  PERIOD index (the data index a consumer knows), never a position in the
   *  compacted finite values. */
  plateau: {
    y: number;
    value: number;
    from: number;
    fromX: number;
  } | null;
  labelX: number;
  labelY: number;
  totalWidth: number;
  /** Top edge of the plot box — full retention on the locked frame. */
  y0: number;
  /** Bottom edge of the plot box — zero retention. Also the inline seat's floor. */
  y1: number;
}
//#endregion
//#region src/charts/retention-curve/index.d.ts
declare function retentionSummary(geo: RetentionGeometry, fmt: (n: number) => string, unit: string, n: number, strings: RetentionStrings): string;
interface RetentionCurveProps {
  /** Fraction retained per period (period 0 typically 1.0); 0–1 or 0–100. */
  data: readonly number[];
  /** Peer/industry curve, rendered as a subordinate dashed ghost. */
  compare?: readonly number[] | undefined;
  /**
   * @deprecated Use `compare`. The catalog word for "a second series to read
   * this one against" is `compare` (DualSparkline, StarSpoke) — this chart was
   * the only one calling it `benchmark`, and DualSparkline's own `compare` JSDoc
   * calls it "the benchmark series", which is how the two names drifted. Still
   * accepted, and it still wins over `compare` when both are passed, so no
   * existing caller changes behaviour by upgrading.
   */
  benchmark?: readonly number[] | undefined;
  /** Detect + mark a plateau (default true). */
  plateau?: boolean | undefined;
  /** Step (default — cohort periods are discrete) or smooth (editorial). */
  curve?: RetentionCurveType | undefined;
  /** Period noun for the summary (default "period"). */
  unit?: string | undefined;
  /** `"last"` states the final retention in a right gutter. */
  label?: "last" | "none" | undefined;
  /**
   * Overrides the honest `[0,1]` frame — the docs say why you shouldn't.
   * Always in retained FRACTIONS, whichever unit `data` arrives in: `data`
   * accepts 0–1 or 0–100 and is normalised to fractions, so `[0, 100]` here is
   * a hundred-fold frame, not "percent".
   */
  domain?: readonly [number, number] | undefined;
  width?: number | undefined;
  height?: number | undefined;
  color?: string | undefined;
  format?: Format | undefined;
  locale?: string | string[] | undefined;
  strings?: RetentionStrings | 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;
}
/** Percent formatting shared with the interactive entry. */
declare const PCT: Intl.NumberFormatOptions;
declare function RetentionCurve(props: RetentionCurveProps): ReactNode;
//#endregion
export { RetentionStrings as a, retentionSummary as i, RetentionCurve as n, RetentionCurveProps as r, PCT as t };