export interface SolveFABRIKOptions {
    method: 'FABRIK';
    /**
     * Angle gap taken to calculate the gradient of the error function
     * Usually the default here will do.
     * @default 0.00001
     */
    deltaAngle?: number;
    /**
     * Sets the 'speed' at which the algorithm converges on the target.
     * Larger values will cause oscillations, or vibrations about the target
     * Lower values may move too slowly. You should tune this manually
     *
     * Can either be a constant, or a function that returns a learning rate
     * @default 0.0001
     */
    learningRate?: number | ((errorDistance: number) => number);
    /**
     * Useful if there is oscillations or vibration around the target
     * @default 0
     */
    acceptedError?: number;
}
export declare const defaultFABRIKOptions: Required<SolveFABRIKOptions>;
export interface SolveCCDOptions {
    method: 'CCD';
    /**
     * Sets the 'speed' at which the algorithm converges on the target.
     * Larger values will cause oscillations, or vibrations about the target
     * Lower values may move too slowly. You should tune this manually
     *
     * Can either be a constant, or a function that returns a learning rate
     * @default 1.0
     */
    learningRate?: number | ((errorDistance: number) => number);
    /**
     * Useful if there is oscillations or vibration around the target
     * @default 0
     */
    acceptedError?: number;
}
export declare const defaultCCDOptions: Required<SolveCCDOptions>;
export declare type SolveOptions = SolveFABRIKOptions | SolveCCDOptions;