import { GetDefinition } from "../../models/get-definition";
import { SphereDefinition } from "./models/sphere-definition";
export declare class Sphere implements GetDefinition<SphereDefinition> {
    radius: number;
    constructor(...args: number[]);
    private validateInput;
    private hasNegative;
    getDefinition(): SphereDefinition;
    getVolume(): number;
    getCircumference(): number;
    getArea(): number;
    getDiameter(): number;
}