/**
 * Noah — Flight Plan Interpolation
 *
 * Linear interpolation of expected scores between waypoints.
 * Provides continuous expected values rather than discrete jumps.
 * MVP spec Section 4.2.
 */
import type { EthicalFlightPlan, EthicalWaypoint, ExpectedScores, DimensionExpectation, CorridorBounds } from '../types/flight-plan.js';
/**
 * Linearly interpolate a single dimension's expectations.
 *
 * @param prev Previous waypoint expectations
 * @param next Next waypoint expectations
 * @param t Interpolation factor (0.0 = prev, 1.0 = next)
 */
export declare function interpolateDimension(prev: DimensionExpectation, next: DimensionExpectation, t: number): DimensionExpectation;
/**
 * Interpolate corridor bounds between two waypoints.
 */
export declare function interpolateCorridor(prev: CorridorBounds, next: CorridorBounds, t: number): CorridorBounds;
/**
 * Interpolate all four dimensions at once.
 */
export declare function interpolateScores(prev: ExpectedScores, next: ExpectedScores, t: number): ExpectedScores;
export interface InterpolationResult {
    expectedScores: ExpectedScores;
    corridor: CorridorBounds;
    /** The previous waypoint used for interpolation (null if before first) */
    prevWaypoint: EthicalWaypoint | null;
    /** The next waypoint used for interpolation (null if after last) */
    nextWaypoint: EthicalWaypoint | null;
    /** Interpolation factor (0.0–1.0, or NaN if clamped to one waypoint) */
    t: number;
}
/**
 * Interpolate expected scores for a given day from a flight plan.
 *
 * Strategy:
 * 1. Filter to calendar-based waypoints (they have explicit day numbers).
 * 2. Find the two waypoints that bracket the current day.
 * 3. Linearly interpolate between them.
 * 4. If before the first or after the last, clamp to that waypoint.
 *
 * @param plan The active ethical flight plan
 * @param currentDayNumber Fractional days since initialization
 */
export declare function interpolateExpectedScores(plan: EthicalFlightPlan, currentDayNumber: number): InterpolationResult;
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