/**
 * Pose detection using MediaPipe — detects body landmarks to overlay
 * measurement lines on a try-on result image.
 */
export interface MeasurementLine {
    y: number;
    x1: number;
    x2: number;
}
export interface MeasurementLines {
    chest: MeasurementLine;
    waist: MeasurementLine;
    hips: MeasurementLine;
}
/** Extended landmarks for per-field measurement guides.
 *  Each point now carries:
 *    - x, y: normalized image coords (0–1)
 *    - z: depth-into-photo (BlazePose's hip-centered z, in normalized units)
 *    - visibility: 0–1 confidence the joint was actually seen
 *  z + eyes + heels enable: pelvic tilt detection, IPD sanity check,
 *  femur-based scaling (per Gemini's recommendations).
 */
export interface JointPoint {
    x: number;
    y: number;
    z?: number;
    visibility?: number;
}
export interface BodyLandmarks {
    leftShoulder: JointPoint;
    rightShoulder: JointPoint;
    leftHip: JointPoint;
    rightHip: JointPoint;
    leftElbow: JointPoint;
    rightElbow: JointPoint;
    leftWrist: JointPoint;
    rightWrist: JointPoint;
    leftKnee: JointPoint;
    rightKnee: JointPoint;
    leftAnkle: JointPoint;
    rightAnkle: JointPoint;
    nose: JointPoint;
}
/** Pixel dimensions of the image the landmarks were detected on. Sent to
 *  the backend alongside the landmarks so it can convert normalized x/y
 *  into pixels — without this, horizontal and vertical distances on a
 *  non-square image are skewed by the aspect ratio. */
export interface BodyLandmarksWithDims extends BodyLandmarks {
    imageWidth: number;
    imageHeight: number;
}
export declare function preloadBodyLandmarker(): Promise<void>;
export declare function detectMeasurementLines(imageSrc: string): Promise<MeasurementLines | null>;
/** Detect full body landmarks for per-field measurement guides.
 *  Accepts a URL string OR an already-loaded HTMLImageElement to avoid CORS issues. */
export declare function detectBodyLandmarks(imageSrc: string | HTMLImageElement, options?: {
    maxLongEdge?: number;
}): Promise<BodyLandmarksWithDims | null>;