import type { Point3 } from '../../../types/index.js';
export declare function normalizePlanarRotation(rotation?: number): number;
export declare function rotatePlanarViewUp(args: {
    rotation?: number;
    viewPlaneNormal: Point3;
    viewUp: Point3;
}): Point3;
export declare function applyPlanarViewFlip(args: {
    flipHorizontal?: boolean;
    flipVertical?: boolean;
    viewPlaneNormal: Point3;
    viewUp: Point3;
}): {
    viewPlaneNormal: Point3;
    viewUp: Point3;
};