/** Cylindrical coordinate (radius, theta, y). */
export declare class Cylindrical {
    #private;
    constructor(radius?: number, theta?: number, y?: number);
    get radius(): number;
    set radius(value: number);
    get theta(): number;
    set theta(value: number);
    get y(): number;
    set y(value: number);
    set(radius: number, theta: number, y: number): this;
    clone(): Cylindrical;
    copy(c: Cylindrical): this;
    /** Sets from a Vector3 in Cartesian coordinates. */
    setFromVector3(v: {
        x: number;
        y: number;
        z: number;
    }): this;
    setFromCartesianCoords(x: number, y: number, z: number): this;
}
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