/**
 * A stepped interpolation scheme.
 *
 * @type {number}
 * @category Animation
 */
export const INTERPOLATION_STEP: number;
/**
 * A linear interpolation scheme.
 *
 * @type {number}
 * @category Animation
 */
export const INTERPOLATION_LINEAR: number;
/**
 * A cubic spline interpolation scheme.
 *
 * @type {number}
 * @category Animation
 */
export const INTERPOLATION_CUBIC: number;