import type { BoneKey, RigConfig, RigPose, SolvedBone } from "./rigTypes";
/** Convert degrees to radians. */
export declare const deg2rad: (deg: number) => number;
/** Linear interpolation of angles with wrap-around. */
export declare function lerpAngle(a: number, b: number, t: number): number;
/** Forward kinematics — compute world-space positions for all bones. */
export declare function solveFK(rig: RigConfig, pose: RigPose, sizePx: number): Record<BoneKey, SolvedBone>;
