import { Vector } from 'xyzt';
import { IParticleOptions } from '../drawController/Particle';
export type TAverageItems<T> = Array<{
    value: T;
    weight: number;
}>;
export declare function average<T>(add: (a: T, b: T) => T, multiply: (a: T, b: number) => T, items: TAverageItems<T>): T;
export declare function VectorAverage(...items: TAverageItems<Vector>): Vector;
export declare function particleOptionsAverage(...items: TAverageItems<IParticleOptions>): IParticleOptions;
/**
 * TODO: Anotate
 * TODO: breakup into files
 * TODO: Write tests
 */