import type { EffectivePaceSummary, EffectiveRunway, EffectiveSelection, QuotaPace, QuotaWindow } from "./types.js";
/** Reserve within this many percentage points of zero is treated as on_pace. */
export declare const PACE_ON_PACE_DEADBAND_PERCENT_POINTS = 1;
/**
 * Linear exhaustion projections before this much of the cycle has elapsed are
 * labeled `early` rather than `established`.
 */
export declare const PACE_EARLY_ELAPSED_PERCENT = 10;
/** The selection scalar is reported within this symmetric bound. */
export declare const SELECTION_CLAMP_PERCENT_POINTS = 100;
/**
 * Below this much remaining cycle time the selection ratio is dominated by the
 * four-decimal rounding of `timeRemainingPercent` rather than by real signal,
 * so the window is treated as unmeasurable instead of producing a runaway or
 * infinite term.
 */
export declare const SELECTION_MIN_TIME_REMAINING_PERCENT = 0.01;
type PaceOptions = {
    stale?: boolean;
};
export declare function computeWindowPace(window: QuotaWindow, generatedAt: string, options?: PaceOptions): QuotaPace;
export declare function computeEffectiveRunway(windows: QuotaWindow[], generatedAt: string): EffectiveRunway;
export declare function summarizeEffectivePace(windows: QuotaWindow[]): EffectivePaceSummary;
/**
 * Cycle-weighted mean, across a scope's bounding windows, of the allowance each
 * window is projected to forfeit at reset if its observed burn continues:
 *
 *   gap_w       = percentRemaining_w / timeRemainingPercent_w - burnMultiple_w
 *   scopeMetric = SUM(gap_w * cycleSeconds_w) / SUM(cycleSeconds_w)
 *
 * `gap_w` is the per-window projected forfeiture `percentRemaining -
 * burnMultiple * timeRemainingPercent` divided by `timeRemainingPercent`, which
 * makes windows on different cycle clocks comparable. Positive means allowance
 * is on track to reach reset unused; `0` is exact utilization; negative means
 * the window is overdrawn against its reset clock.
 *
 * Any bounding window without usable pace makes the whole scope unmeasurable:
 * an unknown window is never assumed healthy and never defaults to zero.
 */
export declare function summarizeEffectiveSelection(windows: QuotaWindow[]): EffectiveSelection;
export {};